Finding the Third Proportional to 1,315,136 and 2,873,758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,136 : 2,873,758 = 2,873,758 : x
2. Step 2: Convert to fraction form
   1,315,136/2,873,758 = 2,873,758/x
3. Step 3: Cross multiply
   1,315,136x = 2,873,758 × 2,873,758
4. Step 4: Simplify right side
   1,315,136x = 8,258,485,042,564
5. Step 5: Solve for x
   x = 8,258,485,042,564/1,315,136
6. Step 6: Final answer
   x = 6,279,567.32