Finding the Third Proportional to 2,615,456 and 5,631,682

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615,456 : 5,631,682 = 5,631,682 : x
2. Step 2: Convert to fraction form
   2,615,456/5,631,682 = 5,631,682/x
3. Step 3: Cross multiply
   2,615,456x = 5,631,682 × 5,631,682
4. Step 4: Simplify right side
   2,615,456x = 31,715,842,149,124
5. Step 5: Solve for x
   x = 31,715,842,149,124/2,615,456
6. Step 6: Final answer
   x = 12,126,314.55