Finding the Third Proportional to 646,282 and 1,323,908

Step by Step Solution

1. Step 1: Write the proportion equation
   646,282 : 1,323,908 = 1,323,908 : x
2. Step 2: Convert to fraction form
   646,282/1,323,908 = 1,323,908/x
3. Step 3: Cross multiply
   646,282x = 1,323,908 × 1,323,908
4. Step 4: Simplify right side
   646,282x = 1,752,732,392,464
5. Step 5: Solve for x
   x = 1,752,732,392,464/646,282
6. Step 6: Final answer
   x = 2,712,024.15