Finding the Third Proportional to 38,700.75 and 83,719.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,700.75 : 83,719.31 = 83,719.31 : x
2. Step 2: Convert to fraction form
   38,700.75/83,719.31 = 83,719.31/x
3. Step 3: Cross multiply
   38,700.75x = 83,719.31 × 83,719.31
4. Step 4: Simplify right side
   38,700.75x = 7,008,923,285.47
5. Step 5: Solve for x
   x = 7,008,923,285.47/38,700.75
6. Step 6: Final answer
   x = 181,105.62