Finding the Third Proportional to 63,726 and 89,148

Step by Step Solution

1. Step 1: Write the proportion equation
   63,726 : 89,148 = 89,148 : x
2. Step 2: Convert to fraction form
   63,726/89,148 = 89,148/x
3. Step 3: Cross multiply
   63,726x = 89,148 × 89,148
4. Step 4: Simplify right side
   63,726x = 7,947,365,904
5. Step 5: Solve for x
   x = 7,947,365,904/63,726
6. Step 6: Final answer
   x = 124,711.51