Finding the Third Proportional to 39,087.29 and 85,343.06

Step by Step Solution

1. Step 1: Write the proportion equation
   39,087.29 : 85,343.06 = 85,343.06 : x
2. Step 2: Convert to fraction form
   39,087.29/85,343.06 = 85,343.06/x
3. Step 3: Cross multiply
   39,087.29x = 85,343.06 × 85,343.06
4. Step 4: Simplify right side
   39,087.29x = 7,283,437,285.51
5. Step 5: Solve for x
   x = 7,283,437,285.51/39,087.29
6. Step 6: Final answer
   x = 186,337.76