Finding the Third Proportional to 47,239 and 72,113

Step by Step Solution

1. Step 1: Write the proportion equation
   47,239 : 72,113 = 72,113 : x
2. Step 2: Convert to fraction form
   47,239/72,113 = 72,113/x
3. Step 3: Cross multiply
   47,239x = 72,113 × 72,113
4. Step 4: Simplify right side
   47,239x = 5,200,284,769
5. Step 5: Solve for x
   x = 5,200,284,769/47,239
6. Step 6: Final answer
   x = 110,084.57