Finding the Third Proportional to 39,453.75 and 85,654.13

Step by Step Solution

1. Step 1: Write the proportion equation
   39,453.75 : 85,654.13 = 85,654.13 : x
2. Step 2: Convert to fraction form
   39,453.75/85,654.13 = 85,654.13/x
3. Step 3: Cross multiply
   39,453.75x = 85,654.13 × 85,654.13
4. Step 4: Simplify right side
   39,453.75x = 7,336,629,129.52
5. Step 5: Solve for x
   x = 7,336,629,129.52/39,453.75
6. Step 6: Final answer
   x = 185,955.18