Finding the Third Proportional to 60,091.50 and 87,039

Step by Step Solution

1. Step 1: Write the proportion equation
   60,091.50 : 87,039 = 87,039 : x
2. Step 2: Convert to fraction form
   60,091.50/87,039 = 87,039/x
3. Step 3: Cross multiply
   60,091.50x = 87,039 × 87,039
4. Step 4: Simplify right side
   60,091.50x = 7,575,787,521
5. Step 5: Solve for x
   x = 7,575,787,521/60,091.50
6. Step 6: Final answer
   x = 126,070.87