Finding the Third Proportional to 39,188.81 and 58,871.81

Step by Step Solution

1. Step 1: Write the proportion equation
   39,188.81 : 58,871.81 = 58,871.81 : x
2. Step 2: Convert to fraction form
   39,188.81/58,871.81 = 58,871.81/x
3. Step 3: Cross multiply
   39,188.81x = 58,871.81 × 58,871.81
4. Step 4: Simplify right side
   39,188.81x = 3,465,890,307.04
5. Step 5: Solve for x
   x = 3,465,890,307.04/39,188.81
6. Step 6: Final answer
   x = 88,440.81