Finding the Third Proportional to 39,651.75 and 58,381.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,651.75 : 58,381.88 = 58,381.88 : x
2. Step 2: Convert to fraction form
   39,651.75/58,381.88 = 58,381.88/x
3. Step 3: Cross multiply
   39,651.75x = 58,381.88 × 58,381.88
4. Step 4: Simplify right side
   39,651.75x = 3,408,443,328.52
5. Step 5: Solve for x
   x = 3,408,443,328.52/39,651.75
6. Step 6: Final answer
   x = 85,959.47