Finding the Third Proportional to 63,943 and 89,439

Step by Step Solution

1. Step 1: Write the proportion equation
   63,943 : 89,439 = 89,439 : x
2. Step 2: Convert to fraction form
   63,943/89,439 = 89,439/x
3. Step 3: Cross multiply
   63,943x = 89,439 × 89,439
4. Step 4: Simplify right side
   63,943x = 7,999,334,721
5. Step 5: Solve for x
   x = 7,999,334,721/63,943
6. Step 6: Final answer
   x = 125,101.02