Finding the Third Proportional to 1,431,458 and 3,111,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,458 : 3,111,410 = 3,111,410 : x
2. Step 2: Convert to fraction form
   1,431,458/3,111,410 = 3,111,410/x
3. Step 3: Cross multiply
   1,431,458x = 3,111,410 × 3,111,410
4. Step 4: Simplify right side
   1,431,458x = 9,680,872,188,100
5. Step 5: Solve for x
   x = 9,680,872,188,100/1,431,458
6. Step 6: Final answer
   x = 6,762,945.32