Finding the Third Proportional to 39,805.88 and 85,507.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,805.88 : 85,507.88 = 85,507.88 : x
2. Step 2: Convert to fraction form
   39,805.88/85,507.88 = 85,507.88/x
3. Step 3: Cross multiply
   39,805.88x = 85,507.88 × 85,507.88
4. Step 4: Simplify right side
   39,805.88x = 7,311,596,687.02
5. Step 5: Solve for x
   x = 7,311,596,687.02/39,805.88
6. Step 6: Final answer
   x = 183,681.35