Finding the Third Proportional to 15,982.88 and 35,139.38

Step by Step Solution

1. Step 1: Write the proportion equation
   15,982.88 : 35,139.38 = 35,139.38 : x
2. Step 2: Convert to fraction form
   15,982.88/35,139.38 = 35,139.38/x
3. Step 3: Cross multiply
   15,982.88x = 35,139.38 × 35,139.38
4. Step 4: Simplify right side
   15,982.88x = 1,234,775,675.39
5. Step 5: Solve for x
   x = 1,234,775,675.39/15,982.88
6. Step 6: Final answer
   x = 77,256.17