Finding the Third Proportional to 47,392 and 72,112

Step by Step Solution

1. Step 1: Write the proportion equation
   47,392 : 72,112 = 72,112 : x
2. Step 2: Convert to fraction form
   47,392/72,112 = 72,112/x
3. Step 3: Cross multiply
   47,392x = 72,112 × 72,112
4. Step 4: Simplify right side
   47,392x = 5,200,140,544
5. Step 5: Solve for x
   x = 5,200,140,544/47,392
6. Step 6: Final answer
   x = 109,726.13