Finding the Third Proportional to 1,491 and 2,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491 : 2,279.25 = 2,279.25 : x
2. Step 2: Convert to fraction form
   1,491/2,279.25 = 2,279.25/x
3. Step 3: Cross multiply
   1,491x = 2,279.25 × 2,279.25
4. Step 4: Simplify right side
   1,491x = 5,194,980.56
5. Step 5: Solve for x
   x = 5,194,980.56/1,491
6. Step 6: Final answer
   x = 3,484.23