Finding the Third Proportional to 1,293,415 and 2,669,862

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,415 : 2,669,862 = 2,669,862 : x
2. Step 2: Convert to fraction form
   1,293,415/2,669,862 = 2,669,862/x
3. Step 3: Cross multiply
   1,293,415x = 2,669,862 × 2,669,862
4. Step 4: Simplify right side
   1,293,415x = 7,128,163,099,044
5. Step 5: Solve for x
   x = 7,128,163,099,044/1,293,415
6. Step 6: Final answer
   x = 5,511,118.32