Finding the Third Proportional to 39,156.75 and 58,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,156.75 : 58,908.50 = 58,908.50 : x
2. Step 2: Convert to fraction form
   39,156.75/58,908.50 = 58,908.50/x
3. Step 3: Cross multiply
   39,156.75x = 58,908.50 × 58,908.50
4. Step 4: Simplify right side
   39,156.75x = 3,470,211,372.25
5. Step 5: Solve for x
   x = 3,470,211,372.25/39,156.75
6. Step 6: Final answer
   x = 88,623.58