Finding the Third Proportional to 39,149.25 and 85,355.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,149.25 : 85,355.25 = 85,355.25 : x
2. Step 2: Convert to fraction form
   39,149.25/85,355.25 = 85,355.25/x
3. Step 3: Cross multiply
   39,149.25x = 85,355.25 × 85,355.25
4. Step 4: Simplify right side
   39,149.25x = 7,285,518,702.56
5. Step 5: Solve for x
   x = 7,285,518,702.56/39,149.25
6. Step 6: Final answer
   x = 186,096.00