Finding the Third Proportional to 39,655.88 and 85,845.38

Step by Step Solution

1. Step 1: Write the proportion equation
   39,655.88 : 85,845.38 = 85,845.38 : x
2. Step 2: Convert to fraction form
   39,655.88/85,845.38 = 85,845.38/x
3. Step 3: Cross multiply
   39,655.88x = 85,845.38 × 85,845.38
4. Step 4: Simplify right side
   39,655.88x = 7,369,428,408.89
5. Step 5: Solve for x
   x = 7,369,428,408.89/39,655.88
6. Step 6: Final answer
   x = 185,834.47