Finding the Third Proportional to 915,549 and 1,988,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   915,549 : 1,988,713.50 = 1,988,713.50 : x
2. Step 2: Convert to fraction form
   915,549/1,988,713.50 = 1,988,713.50/x
3. Step 3: Cross multiply
   915,549x = 1,988,713.50 × 1,988,713.50
4. Step 4: Simplify right side
   915,549x = 3,954,981,385,082.25
5. Step 5: Solve for x
   x = 3,954,981,385,082.25/915,549
6. Step 6: Final answer
   x = 4,319,792.15