Finding the Third Proportional to 1,247.27 and 2,579.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247.27 : 2,579.98 = 2,579.98 : x
2. Step 2: Convert to fraction form
   1,247.27/2,579.98 = 2,579.98/x
3. Step 3: Cross multiply
   1,247.27x = 2,579.98 × 2,579.98
4. Step 4: Simplify right side
   1,247.27x = 6,656,279.06
5. Step 5: Solve for x
   x = 6,656,279.06/1,247.27
6. Step 6: Final answer
   x = 5,336.66