Finding the Third Proportional to 40,639.50 and 58,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,639.50 : 58,002.75 = 58,002.75 : x
2. Step 2: Convert to fraction form
   40,639.50/58,002.75 = 58,002.75/x
3. Step 3: Cross multiply
   40,639.50x = 58,002.75 × 58,002.75
4. Step 4: Simplify right side
   40,639.50x = 3,364,319,007.56
5. Step 5: Solve for x
   x = 3,364,319,007.56/40,639.50
6. Step 6: Final answer
   x = 82,784.46