Finding the Third Proportional to 1,234.22 and 2,642.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.22 : 2,642.15 = 2,642.15 : x
2. Step 2: Convert to fraction form
   1,234.22/2,642.15 = 2,642.15/x
3. Step 3: Cross multiply
   1,234.22x = 2,642.15 × 2,642.15
4. Step 4: Simplify right side
   1,234.22x = 6,980,958.69
5. Step 5: Solve for x
   x = 6,980,958.69/1,234.22
6. Step 6: Final answer
   x = 5,656.16