Finding the Third Proportional to 56,598.75 and 85,039.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,598.75 : 85,039.88 = 85,039.88 : x
2. Step 2: Convert to fraction form
   56,598.75/85,039.88 = 85,039.88/x
3. Step 3: Cross multiply
   56,598.75x = 85,039.88 × 85,039.88
4. Step 4: Simplify right side
   56,598.75x = 7,231,780,340.02
5. Step 5: Solve for x
   x = 7,231,780,340.02/56,598.75
6. Step 6: Final answer
   x = 127,772.79