Finding the Third Proportional to 87,250 and 138,384

Step by Step Solution

1. Step 1: Write the proportion equation
   87,250 : 138,384 = 138,384 : x
2. Step 2: Convert to fraction form
   87,250/138,384 = 138,384/x
3. Step 3: Cross multiply
   87,250x = 138,384 × 138,384
4. Step 4: Simplify right side
   87,250x = 19,150,131,456
5. Step 5: Solve for x
   x = 19,150,131,456/87,250
6. Step 6: Final answer
   x = 219,485.75