Finding the Third Proportional to 48,427.88 and 72,640.69

Step by Step Solution

1. Step 1: Write the proportion equation
   48,427.88 : 72,640.69 = 72,640.69 : x
2. Step 2: Convert to fraction form
   48,427.88/72,640.69 = 72,640.69/x
3. Step 3: Cross multiply
   48,427.88x = 72,640.69 × 72,640.69
4. Step 4: Simplify right side
   48,427.88x = 5,276,669,480.47
5. Step 5: Solve for x
   x = 5,276,669,480.47/48,427.88
6. Step 6: Final answer
   x = 108,959.34