Finding the Third Proportional to 645,902 and 1,508,636

Step by Step Solution

1. Step 1: Write the proportion equation
   645,902 : 1,508,636 = 1,508,636 : x
2. Step 2: Convert to fraction form
   645,902/1,508,636 = 1,508,636/x
3. Step 3: Cross multiply
   645,902x = 1,508,636 × 1,508,636
4. Step 4: Simplify right side
   645,902x = 2,275,982,580,496
5. Step 5: Solve for x
   x = 2,275,982,580,496/645,902
6. Step 6: Final answer
   x = 3,523,727.41