Finding the Third Proportional to 56,117.50 and 124,691.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,117.50 : 124,691.25 = 124,691.25 : x
2. Step 2: Convert to fraction form
   56,117.50/124,691.25 = 124,691.25/x
3. Step 3: Cross multiply
   56,117.50x = 124,691.25 × 124,691.25
4. Step 4: Simplify right side
   56,117.50x = 15,547,907,826.56
5. Step 5: Solve for x
   x = 15,547,907,826.56/56,117.50
6. Step 6: Final answer
   x = 277,059.88