Finding the Third Proportional to 40,391.25 and 86,280.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,391.25 : 86,280.75 = 86,280.75 : x
2. Step 2: Convert to fraction form
   40,391.25/86,280.75 = 86,280.75/x
3. Step 3: Cross multiply
   40,391.25x = 86,280.75 × 86,280.75
4. Step 4: Simplify right side
   40,391.25x = 7,444,367,820.56
5. Step 5: Solve for x
   x = 7,444,367,820.56/40,391.25
6. Step 6: Final answer
   x = 184,306.45