Finding the Third Proportional to 986,414 and 2,155,468

Step by Step Solution

1. Step 1: Write the proportion equation
   986,414 : 2,155,468 = 2,155,468 : x
2. Step 2: Convert to fraction form
   986,414/2,155,468 = 2,155,468/x
3. Step 3: Cross multiply
   986,414x = 2,155,468 × 2,155,468
4. Step 4: Simplify right side
   986,414x = 4,646,042,299,024
5. Step 5: Solve for x
   x = 4,646,042,299,024/986,414
6. Step 6: Final answer
   x = 4,710,032.80