Finding the Third Proportional to 87,468 and 188,760

Step by Step Solution

1. Step 1: Write the proportion equation
   87,468 : 188,760 = 188,760 : x
2. Step 2: Convert to fraction form
   87,468/188,760 = 188,760/x
3. Step 3: Cross multiply
   87,468x = 188,760 × 188,760
4. Step 4: Simplify right side
   87,468x = 35,630,337,600
5. Step 5: Solve for x
   x = 35,630,337,600/87,468
6. Step 6: Final answer
   x = 407,352.83