Finding the Third Proportional to 47,340 and 71,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,340 : 71,131.50 = 71,131.50 : x
2. Step 2: Convert to fraction form
   47,340/71,131.50 = 71,131.50/x
3. Step 3: Cross multiply
   47,340x = 71,131.50 × 71,131.50
4. Step 4: Simplify right side
   47,340x = 5,059,690,292.25
5. Step 5: Solve for x
   x = 5,059,690,292.25/47,340
6. Step 6: Final answer
   x = 106,879.81