Finding the Third Proportional to 60,643.50 and 86,838

Step by Step Solution

1. Step 1: Write the proportion equation
   60,643.50 : 86,838 = 86,838 : x
2. Step 2: Convert to fraction form
   60,643.50/86,838 = 86,838/x
3. Step 3: Cross multiply
   60,643.50x = 86,838 × 86,838
4. Step 4: Simplify right side
   60,643.50x = 7,540,838,244
5. Step 5: Solve for x
   x = 7,540,838,244/60,643.50
6. Step 6: Final answer
   x = 124,347.02