Finding the Third Proportional to 48,433.50 and 72,699.75

Step by Step Solution

1. Step 1: Write the proportion equation
   48,433.50 : 72,699.75 = 72,699.75 : x
2. Step 2: Convert to fraction form
   48,433.50/72,699.75 = 72,699.75/x
3. Step 3: Cross multiply
   48,433.50x = 72,699.75 × 72,699.75
4. Step 4: Simplify right side
   48,433.50x = 5,285,253,650.06
5. Step 5: Solve for x
   x = 5,285,253,650.06/48,433.50
6. Step 6: Final answer
   x = 109,123.93