Finding the Third Proportional to 48,399 and 72,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,399 : 72,079.50 = 72,079.50 : x
2. Step 2: Convert to fraction form
   48,399/72,079.50 = 72,079.50/x
3. Step 3: Cross multiply
   48,399x = 72,079.50 × 72,079.50
4. Step 4: Simplify right side
   48,399x = 5,195,454,320.25
5. Step 5: Solve for x
   x = 5,195,454,320.25/48,399
6. Step 6: Final answer
   x = 107,346.32