Finding the Third Proportional to 1,419,951 and 3,123,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,951 : 3,123,780 = 3,123,780 : x
2. Step 2: Convert to fraction form
   1,419,951/3,123,780 = 3,123,780/x
3. Step 3: Cross multiply
   1,419,951x = 3,123,780 × 3,123,780
4. Step 4: Simplify right side
   1,419,951x = 9,758,001,488,400
5. Step 5: Solve for x
   x = 9,758,001,488,400/1,419,951
6. Step 6: Final answer
   x = 6,872,069.17