Finding the Third Proportional to 63,851.50 and 138,872

Step by Step Solution

1. Step 1: Write the proportion equation
   63,851.50 : 138,872 = 138,872 : x
2. Step 2: Convert to fraction form
   63,851.50/138,872 = 138,872/x
3. Step 3: Cross multiply
   63,851.50x = 138,872 × 138,872
4. Step 4: Simplify right side
   63,851.50x = 19,285,432,384
5. Step 5: Solve for x
   x = 19,285,432,384/63,851.50
6. Step 6: Final answer
   x = 302,035.70