Finding the Third Proportional to 669,332 and 1,435,720

Step by Step Solution

1. Step 1: Write the proportion equation
   669,332 : 1,435,720 = 1,435,720 : x
2. Step 2: Convert to fraction form
   669,332/1,435,720 = 1,435,720/x
3. Step 3: Cross multiply
   669,332x = 1,435,720 × 1,435,720
4. Step 4: Simplify right side
   669,332x = 2,061,291,918,400
5. Step 5: Solve for x
   x = 2,061,291,918,400/669,332
6. Step 6: Final answer
   x = 3,079,625.53