Finding the Third Proportional to 1,480.78 and 2,292.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,480.78 : 2,292.72 = 2,292.72 : x
2. Step 2: Convert to fraction form
   1,480.78/2,292.72 = 2,292.72/x
3. Step 3: Cross multiply
   1,480.78x = 2,292.72 × 2,292.72
4. Step 4: Simplify right side
   1,480.78x = 5,256,561.51
5. Step 5: Solve for x
   x = 5,256,561.51/1,480.78
6. Step 6: Final answer
   x = 3,549.86