Finding the Third Proportional to 663,565 and 1,451,317

Step by Step Solution

1. Step 1: Write the proportion equation
   663,565 : 1,451,317 = 1,451,317 : x
2. Step 2: Convert to fraction form
   663,565/1,451,317 = 1,451,317/x
3. Step 3: Cross multiply
   663,565x = 1,451,317 × 1,451,317
4. Step 4: Simplify right side
   663,565x = 2,106,321,034,489
5. Step 5: Solve for x
   x = 2,106,321,034,489/663,565
6. Step 6: Final answer
   x = 3,174,249.75