Finding the Third Proportional to 986,908.50 and 2,123,505

Step by Step Solution

1. Step 1: Write the proportion equation
   986,908.50 : 2,123,505 = 2,123,505 : x
2. Step 2: Convert to fraction form
   986,908.50/2,123,505 = 2,123,505/x
3. Step 3: Cross multiply
   986,908.50x = 2,123,505 × 2,123,505
4. Step 4: Simplify right side
   986,908.50x = 4,509,273,485,025
5. Step 5: Solve for x
   x = 4,509,273,485,025/986,908.50
6. Step 6: Final answer
   x = 4,569,089.72