Finding the Third Proportional to 90,784,845 and 188,029,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,845 : 188,029,471.50 = 188,029,471.50 : x
2. Step 2: Convert to fraction form
   90,784,845/188,029,471.50 = 188,029,471.50/x
3. Step 3: Cross multiply
   90,784,845x = 188,029,471.50 × 188,029,471.50
4. Step 4: Simplify right side
   90,784,845x = 35,355,082,152,569,312
5. Step 5: Solve for x
   x = 35,355,082,152,569,312/90,784,845
6. Step 6: Final answer
   x = 389,438,150.75