Finding the Third Proportional to 43,807.50 and 71,178.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,807.50 : 71,178.75 = 71,178.75 : x
2. Step 2: Convert to fraction form
   43,807.50/71,178.75 = 71,178.75/x
3. Step 3: Cross multiply
   43,807.50x = 71,178.75 × 71,178.75
4. Step 4: Simplify right side
   43,807.50x = 5,066,414,451.56
5. Step 5: Solve for x
   x = 5,066,414,451.56/43,807.50
6. Step 6: Final answer
   x = 115,651.76