Finding the Third Proportional to 90,784,752 and 188,029,287.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,752 : 188,029,287.50 = 188,029,287.50 : x
2. Step 2: Convert to fraction form
   90,784,752/188,029,287.50 = 188,029,287.50/x
3. Step 3: Cross multiply
   90,784,752x = 188,029,287.50 × 188,029,287.50
4. Step 4: Simplify right side
   90,784,752x = 35,355,012,957,757,656
5. Step 5: Solve for x
   x = 35,355,012,957,757,656/90,784,752
6. Step 6: Final answer
   x = 389,437,787.50