Finding the Third Proportional to 1,434,344 and 3,121,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434,344 : 3,121,040 = 3,121,040 : x
2. Step 2: Convert to fraction form
   1,434,344/3,121,040 = 3,121,040/x
3. Step 3: Cross multiply
   1,434,344x = 3,121,040 × 3,121,040
4. Step 4: Simplify right side
   1,434,344x = 9,740,890,681,600
5. Step 5: Solve for x
   x = 9,740,890,681,600/1,434,344
6. Step 6: Final answer
   x = 6,791,181.67