Finding the Third Proportional to 1,398,352 and 2,123,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,398,352 : 2,123,304 = 2,123,304 : x
2. Step 2: Convert to fraction form
   1,398,352/2,123,304 = 2,123,304/x
3. Step 3: Cross multiply
   1,398,352x = 2,123,304 × 2,123,304
4. Step 4: Simplify right side
   1,398,352x = 4,508,419,876,416
5. Step 5: Solve for x
   x = 4,508,419,876,416/1,398,352
6. Step 6: Final answer
   x = 3,224,095.13