Finding the Third Proportional to 48,496.50 and 72,811.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,496.50 : 72,811.50 = 72,811.50 : x
2. Step 2: Convert to fraction form
   48,496.50/72,811.50 = 72,811.50/x
3. Step 3: Cross multiply
   48,496.50x = 72,811.50 × 72,811.50
4. Step 4: Simplify right side
   48,496.50x = 5,301,514,532.25
5. Step 5: Solve for x
   x = 5,301,514,532.25/48,496.50
6. Step 6: Final answer
   x = 109,317.47