Finding the Third Proportional to 48,518.25 and 72,478.13

Step by Step Solution

1. Step 1: Write the proportion equation
   48,518.25 : 72,478.13 = 72,478.13 : x
2. Step 2: Convert to fraction form
   48,518.25/72,478.13 = 72,478.13/x
3. Step 3: Cross multiply
   48,518.25x = 72,478.13 × 72,478.13
4. Step 4: Simplify right side
   48,518.25x = 5,253,078,603.52
5. Step 5: Solve for x
   x = 5,253,078,603.52/48,518.25
6. Step 6: Final answer
   x = 108,270.16