Finding the Third Proportional to 47,931.75 and 72,079.88

Step by Step Solution

1. Step 1: Write the proportion equation
   47,931.75 : 72,079.88 = 72,079.88 : x
2. Step 2: Convert to fraction form
   47,931.75/72,079.88 = 72,079.88/x
3. Step 3: Cross multiply
   47,931.75x = 72,079.88 × 72,079.88
4. Step 4: Simplify right side
   47,931.75x = 5,195,508,380.02
5. Step 5: Solve for x
   x = 5,195,508,380.02/47,931.75
6. Step 6: Final answer
   x = 108,393.88