Finding the Third Proportional to 21,071.50 and 48,658.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,071.50 : 48,658.50 = 48,658.50 : x
2. Step 2: Convert to fraction form
   21,071.50/48,658.50 = 48,658.50/x
3. Step 3: Cross multiply
   21,071.50x = 48,658.50 × 48,658.50
4. Step 4: Simplify right side
   21,071.50x = 2,367,649,622.25
5. Step 5: Solve for x
   x = 2,367,649,622.25/21,071.50
6. Step 6: Final answer
   x = 112,362.65