Finding the Third Proportional to 87,388 and 185,468

Step by Step Solution

1. Step 1: Write the proportion equation
   87,388 : 185,468 = 185,468 : x
2. Step 2: Convert to fraction form
   87,388/185,468 = 185,468/x
3. Step 3: Cross multiply
   87,388x = 185,468 × 185,468
4. Step 4: Simplify right side
   87,388x = 34,398,379,024
5. Step 5: Solve for x
   x = 34,398,379,024/87,388
6. Step 6: Final answer
   x = 393,628.18