Finding the Third Proportional to 86,541.75 and 185,400.56

Step by Step Solution

1. Step 1: Write the proportion equation
   86,541.75 : 185,400.56 = 185,400.56 : x
2. Step 2: Convert to fraction form
   86,541.75/185,400.56 = 185,400.56/x
3. Step 3: Cross multiply
   86,541.75x = 185,400.56 × 185,400.56
4. Step 4: Simplify right side
   86,541.75x = 34,373,368,575.32
5. Step 5: Solve for x
   x = 34,373,368,575.32/86,541.75
6. Step 6: Final answer
   x = 397,188.28