Finding the Third Proportional to 48,493 and 72,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,493 : 72,919.50 = 72,919.50 : x
2. Step 2: Convert to fraction form
   48,493/72,919.50 = 72,919.50/x
3. Step 3: Cross multiply
   48,493x = 72,919.50 × 72,919.50
4. Step 4: Simplify right side
   48,493x = 5,317,253,480.25
5. Step 5: Solve for x
   x = 5,317,253,480.25/48,493
6. Step 6: Final answer
   x = 109,649.92