Finding the Third Proportional to 47,299.50 and 72,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,299.50 : 72,724.50 = 72,724.50 : x
2. Step 2: Convert to fraction form
   47,299.50/72,724.50 = 72,724.50/x
3. Step 3: Cross multiply
   47,299.50x = 72,724.50 × 72,724.50
4. Step 4: Simplify right side
   47,299.50x = 5,288,852,900.25
5. Step 5: Solve for x
   x = 5,288,852,900.25/47,299.50
6. Step 6: Final answer
   x = 111,816.25