Finding the Third Proportional to 1,338,872 and 2,943,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,872 : 2,943,432 = 2,943,432 : x
2. Step 2: Convert to fraction form
   1,338,872/2,943,432 = 2,943,432/x
3. Step 3: Cross multiply
   1,338,872x = 2,943,432 × 2,943,432
4. Step 4: Simplify right side
   1,338,872x = 8,663,791,938,624
5. Step 5: Solve for x
   x = 8,663,791,938,624/1,338,872
6. Step 6: Final answer
   x = 6,470,963.57