Finding the Third Proportional to 90,784,892 and 188,029,560

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,892 : 188,029,560 = 188,029,560 : x
2. Step 2: Convert to fraction form
   90,784,892/188,029,560 = 188,029,560/x
3. Step 3: Cross multiply
   90,784,892x = 188,029,560 × 188,029,560
4. Step 4: Simplify right side
   90,784,892x = 35,355,115,433,793,600
5. Step 5: Solve for x
   x = 35,355,115,433,793,600/90,784,892
6. Step 6: Final answer
   x = 389,438,315.73