Finding the Third Proportional to 56,117 and 124,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,117 : 124,690.50 = 124,690.50 : x
2. Step 2: Convert to fraction form
   56,117/124,690.50 = 124,690.50/x
3. Step 3: Cross multiply
   56,117x = 124,690.50 × 124,690.50
4. Step 4: Simplify right side
   56,117x = 15,547,720,790.25
5. Step 5: Solve for x
   x = 15,547,720,790.25/56,117
6. Step 6: Final answer
   x = 277,059.02