Finding the Third Proportional to 1,215,284 and 2,617,552

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,284 : 2,617,552 = 2,617,552 : x
2. Step 2: Convert to fraction form
   1,215,284/2,617,552 = 2,617,552/x
3. Step 3: Cross multiply
   1,215,284x = 2,617,552 × 2,617,552
4. Step 4: Simplify right side
   1,215,284x = 6,851,578,472,704
5. Step 5: Solve for x
   x = 6,851,578,472,704/1,215,284
6. Step 6: Final answer
   x = 5,637,841.42