Finding the Third Proportional to 47,909.81 and 72,535.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,909.81 : 72,535.50 = 72,535.50 : x
2. Step 2: Convert to fraction form
   47,909.81/72,535.50 = 72,535.50/x
3. Step 3: Cross multiply
   47,909.81x = 72,535.50 × 72,535.50
4. Step 4: Simplify right side
   47,909.81x = 5,261,398,760.25
5. Step 5: Solve for x
   x = 5,261,398,760.25/47,909.81
6. Step 6: Final answer
   x = 109,818.81