Finding the Third Proportional to 31,119.56 and 47,149.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,119.56 : 47,149.69 = 47,149.69 : x
2. Step 2: Convert to fraction form
   31,119.56/47,149.69 = 47,149.69/x
3. Step 3: Cross multiply
   31,119.56x = 47,149.69 × 47,149.69
4. Step 4: Simplify right side
   31,119.56x = 2,223,093,031.35
5. Step 5: Solve for x
   x = 2,223,093,031.35/31,119.56
6. Step 6: Final answer
   x = 71,437.16