Finding the Third Proportional to 87,621.75 and 185,591.25

Step by Step Solution

1. Step 1: Write the proportion equation
   87,621.75 : 185,591.25 = 185,591.25 : x
2. Step 2: Convert to fraction form
   87,621.75/185,591.25 = 185,591.25/x
3. Step 3: Cross multiply
   87,621.75x = 185,591.25 × 185,591.25
4. Step 4: Simplify right side
   87,621.75x = 34,444,112,076.56
5. Step 5: Solve for x
   x = 34,444,112,076.56/87,621.75
6. Step 6: Final answer
   x = 393,100.02