Finding the Third Proportional to 47,290.50 and 71,919

Step by Step Solution

1. Step 1: Write the proportion equation
   47,290.50 : 71,919 = 71,919 : x
2. Step 2: Convert to fraction form
   47,290.50/71,919 = 71,919/x
3. Step 3: Cross multiply
   47,290.50x = 71,919 × 71,919
4. Step 4: Simplify right side
   47,290.50x = 5,172,342,561
5. Step 5: Solve for x
   x = 5,172,342,561/47,290.50
6. Step 6: Final answer
   x = 109,373.82