Finding the Third Proportional to 267,637.50 and 557,478

Step by Step Solution

1. Step 1: Write the proportion equation
   267,637.50 : 557,478 = 557,478 : x
2. Step 2: Convert to fraction form
   267,637.50/557,478 = 557,478/x
3. Step 3: Cross multiply
   267,637.50x = 557,478 × 557,478
4. Step 4: Simplify right side
   267,637.50x = 310,781,720,484
5. Step 5: Solve for x
   x = 310,781,720,484/267,637.50
6. Step 6: Final answer
   x = 1,161,203.94