Finding the Third Proportional to 1,431,440 and 3,120,081

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,440 : 3,120,081 = 3,120,081 : x
2. Step 2: Convert to fraction form
   1,431,440/3,120,081 = 3,120,081/x
3. Step 3: Cross multiply
   1,431,440x = 3,120,081 × 3,120,081
4. Step 4: Simplify right side
   1,431,440x = 9,734,905,446,561
5. Step 5: Solve for x
   x = 9,734,905,446,561/1,431,440
6. Step 6: Final answer
   x = 6,800,777.85