Finding the Third Proportional to 56,032.50 and 121,398

Step by Step Solution

1. Step 1: Write the proportion equation
   56,032.50 : 121,398 = 121,398 : x
2. Step 2: Convert to fraction form
   56,032.50/121,398 = 121,398/x
3. Step 3: Cross multiply
   56,032.50x = 121,398 × 121,398
4. Step 4: Simplify right side
   56,032.50x = 14,737,474,404
5. Step 5: Solve for x
   x = 14,737,474,404/56,032.50
6. Step 6: Final answer
   x = 263,016.54