Finding the Third Proportional to 988,552 and 2,158,320

Step by Step Solution

1. Step 1: Write the proportion equation
   988,552 : 2,158,320 = 2,158,320 : x
2. Step 2: Convert to fraction form
   988,552/2,158,320 = 2,158,320/x
3. Step 3: Cross multiply
   988,552x = 2,158,320 × 2,158,320
4. Step 4: Simplify right side
   988,552x = 4,658,345,222,400
5. Step 5: Solve for x
   x = 4,658,345,222,400/988,552
6. Step 6: Final answer
   x = 4,712,291.54