Finding the Third Proportional to 2,909.25 and 4,156.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909.25 : 4,156.88 = 4,156.88 : x
2. Step 2: Convert to fraction form
   2,909.25/4,156.88 = 4,156.88/x
3. Step 3: Cross multiply
   2,909.25x = 4,156.88 × 4,156.88
4. Step 4: Simplify right side
   2,909.25x = 17,279,609.77
5. Step 5: Solve for x
   x = 17,279,609.77/2,909.25
6. Step 6: Final answer
   x = 5,939.54