Finding the Third Proportional to 1,264.22 and 2,672.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,264.22 : 2,672.58 = 2,672.58 : x
2. Step 2: Convert to fraction form
   1,264.22/2,672.58 = 2,672.58/x
3. Step 3: Cross multiply
   1,264.22x = 2,672.58 × 2,672.58
4. Step 4: Simplify right side
   1,264.22x = 7,142,673.83
5. Step 5: Solve for x
   x = 7,142,673.83/1,264.22
6. Step 6: Final answer
   x = 5,649.87