Finding the Third Proportional to 48,620.25 and 62,121.38

Step by Step Solution

1. Step 1: Write the proportion equation
   48,620.25 : 62,121.38 = 62,121.38 : x
2. Step 2: Convert to fraction form
   48,620.25/62,121.38 = 62,121.38/x
3. Step 3: Cross multiply
   48,620.25x = 62,121.38 × 62,121.38
4. Step 4: Simplify right side
   48,620.25x = 3,859,065,231.89
5. Step 5: Solve for x
   x = 3,859,065,231.89/48,620.25
6. Step 6: Final answer
   x = 79,371.56