Finding the Third Proportional to 1,215,614 and 2,645,284

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,614 : 2,645,284 = 2,645,284 : x
2. Step 2: Convert to fraction form
   1,215,614/2,645,284 = 2,645,284/x
3. Step 3: Cross multiply
   1,215,614x = 2,645,284 × 2,645,284
4. Step 4: Simplify right side
   1,215,614x = 6,997,527,440,656
5. Step 5: Solve for x
   x = 6,997,527,440,656/1,215,614
6. Step 6: Final answer
   x = 5,756,372.86