Finding the Third Proportional to 1,449,758 and 3,138,446

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,758 : 3,138,446 = 3,138,446 : x
2. Step 2: Convert to fraction form
   1,449,758/3,138,446 = 3,138,446/x
3. Step 3: Cross multiply
   1,449,758x = 3,138,446 × 3,138,446
4. Step 4: Simplify right side
   1,449,758x = 9,849,843,294,916
5. Step 5: Solve for x
   x = 9,849,843,294,916/1,449,758
6. Step 6: Final answer
   x = 6,794,129.29