Finding the Third Proportional to 39,139.88 and 87,244.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,139.88 : 87,244.13 = 87,244.13 : x
2. Step 2: Convert to fraction form
   39,139.88/87,244.13 = 87,244.13/x
3. Step 3: Cross multiply
   39,139.88x = 87,244.13 × 87,244.13
4. Step 4: Simplify right side
   39,139.88x = 7,611,537,347.02
5. Step 5: Solve for x
   x = 7,611,537,347.02/39,139.88
6. Step 6: Final answer
   x = 194,470.15