Finding the Third Proportional to 39,252.09 and 85,839.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,252.09 : 85,839.75 = 85,839.75 : x
2. Step 2: Convert to fraction form
   39,252.09/85,839.75 = 85,839.75/x
3. Step 3: Cross multiply
   39,252.09x = 85,839.75 × 85,839.75
4. Step 4: Simplify right side
   39,252.09x = 7,368,462,680.06
5. Step 5: Solve for x
   x = 7,368,462,680.06/39,252.09
6. Step 6: Final answer
   x = 187,721.52