Finding the Third Proportional to 39,597.75 and 85,385.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,597.75 : 85,385.25 = 85,385.25 : x
2. Step 2: Convert to fraction form
   39,597.75/85,385.25 = 85,385.25/x
3. Step 3: Cross multiply
   39,597.75x = 85,385.25 × 85,385.25
4. Step 4: Simplify right side
   39,597.75x = 7,290,640,917.56
5. Step 5: Solve for x
   x = 7,290,640,917.56/39,597.75
6. Step 6: Final answer
   x = 184,117.56