Finding the Third Proportional to 1,451.67 and 2,216.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.67 : 2,216.74 = 2,216.74 : x
2. Step 2: Convert to fraction form
   1,451.67/2,216.74 = 2,216.74/x
3. Step 3: Cross multiply
   1,451.67x = 2,216.74 × 2,216.74
4. Step 4: Simplify right side
   1,451.67x = 4,913,945.93
5. Step 5: Solve for x
   x = 4,913,945.93/1,451.67
6. Step 6: Final answer
   x = 3,385.03