Finding the Third Proportional to 650.63 and 1,422.38

Step by Step Solution

1. Step 1: Write the proportion equation
   650.63 : 1,422.38 = 1,422.38 : x
2. Step 2: Convert to fraction form
   650.63/1,422.38 = 1,422.38/x
3. Step 3: Cross multiply
   650.63x = 1,422.38 × 1,422.38
4. Step 4: Simplify right side
   650.63x = 2,023,150.64
5. Step 5: Solve for x
   x = 2,023,150.64/650.63
6. Step 6: Final answer
   x = 3,109.55