Finding the Third Proportional to 988,168.50 and 2,157,048

Step by Step Solution

1. Step 1: Write the proportion equation
   988,168.50 : 2,157,048 = 2,157,048 : x
2. Step 2: Convert to fraction form
   988,168.50/2,157,048 = 2,157,048/x
3. Step 3: Cross multiply
   988,168.50x = 2,157,048 × 2,157,048
4. Step 4: Simplify right side
   988,168.50x = 4,652,856,074,304
5. Step 5: Solve for x
   x = 4,652,856,074,304/988,168.50
6. Step 6: Final answer
   x = 4,708,565.47