Finding the Third Proportional to 1,428,315 and 2,974,998

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,315 : 2,974,998 = 2,974,998 : x
2. Step 2: Convert to fraction form
   1,428,315/2,974,998 = 2,974,998/x
3. Step 3: Cross multiply
   1,428,315x = 2,974,998 × 2,974,998
4. Step 4: Simplify right side
   1,428,315x = 8,850,613,100,004
5. Step 5: Solve for x
   x = 8,850,613,100,004/1,428,315
6. Step 6: Final answer
   x = 6,196,541.45