Finding the Third Proportional to 56,785.50 and 82,712.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,785.50 : 82,712.25 = 82,712.25 : x
2. Step 2: Convert to fraction form
   56,785.50/82,712.25 = 82,712.25/x
3. Step 3: Cross multiply
   56,785.50x = 82,712.25 × 82,712.25
4. Step 4: Simplify right side
   56,785.50x = 6,841,316,300.06
5. Step 5: Solve for x
   x = 6,841,316,300.06/56,785.50
6. Step 6: Final answer
   x = 120,476.46