Finding the Third Proportional to 39,997.34 and 85,687.24

Step by Step Solution

1. Step 1: Write the proportion equation
   39,997.34 : 85,687.24 = 85,687.24 : x
2. Step 2: Convert to fraction form
   39,997.34/85,687.24 = 85,687.24/x
3. Step 3: Cross multiply
   39,997.34x = 85,687.24 × 85,687.24
4. Step 4: Simplify right side
   39,997.34x = 7,342,303,473.70
5. Step 5: Solve for x
   x = 7,342,303,473.70/39,997.34
6. Step 6: Final answer
   x = 183,569.81