Finding the Third Proportional to 3,686,124,784.50 and 8,123,599,193.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,124,784.50 : 8,123,599,193.63 = 8,123,599,193.63 : x
2. Step 2: Convert to fraction form
   3,686,124,784.50/8,123,599,193.63 = 8,123,599,193.63/x
3. Step 3: Cross multiply
   3,686,124,784.50x = 8,123,599,193.63 × 8,123,599,193.63
4. Step 4: Simplify right side
   3,686,124,784.50x = 65,992,863,858,664,751,104
5. Step 5: Solve for x
   x = 65,992,863,858,664,751,104/3,686,124,784.50
6. Step 6: Final answer
   x = 17,903,046,618.54