Finding the Third Proportional to 9,865,499,006 and 23,020,293,177.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865,499,006 : 23,020,293,177.50 = 23,020,293,177.50 : x
2. Step 2: Convert to fraction form
   9,865,499,006/23,020,293,177.50 = 23,020,293,177.50/x
3. Step 3: Cross multiply
   9,865,499,006x = 23,020,293,177.50 × 23,020,293,177.50
4. Step 4: Simplify right side
   9,865,499,006x = 529,933,897,978,053,066,752
5. Step 5: Solve for x
   x = 529,933,897,978,053,066,752/9,865,499,006
6. Step 6: Final answer
   x = 53,715,873,637.59