Finding the Third Proportional to 90,784,876 and 188,029,528

Step by Step Solution

1. Step 1: Write the proportion equation
   90,784,876 : 188,029,528 = 188,029,528 : x
2. Step 2: Convert to fraction form
   90,784,876/188,029,528 = 188,029,528/x
3. Step 3: Cross multiply
   90,784,876x = 188,029,528 × 188,029,528
4. Step 4: Simplify right side
   90,784,876x = 35,355,103,399,902,784
5. Step 5: Solve for x
   x = 35,355,103,399,902,784/90,784,876
6. Step 6: Final answer
   x = 389,438,251.81