Finding the Third Proportional to 9,183,036,814,468.50 and 19,728,865,853,097

Step by Step Solution

1. Step 1: Write the proportion equation
   9,183,036,814,468.50 : 19,728,865,853,097 = 19,728,865,853,097 : x
2. Step 2: Convert to fraction form
   9,183,036,814,468.50/19,728,865,853,097 = 19,728,865,853,097/x
3. Step 3: Cross multiply
   9,183,036,814,468.50x = 19,728,865,853,097 × 19,728,865,853,097
4. Step 4: Simplify right side
   9,183,036,814,468.50x = 389,228,147,849,496,801,010,778,112
5. Step 5: Solve for x
   x = 389,228,147,849,496,801,010,778,112/9,183,036,814,468.50
6. Step 6: Final answer
   x = 42,385,558,907,511