Finding the Third Proportional to 31,279.50 and 47,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,279.50 : 47,189.25 = 47,189.25 : x
2. Step 2: Convert to fraction form
   31,279.50/47,189.25 = 47,189.25/x
3. Step 3: Cross multiply
   31,279.50x = 47,189.25 × 47,189.25
4. Step 4: Simplify right side
   31,279.50x = 2,226,825,315.56
5. Step 5: Solve for x
   x = 2,226,825,315.56/31,279.50
6. Step 6: Final answer
   x = 71,191.21