Finding the Third Proportional to 2,562,915 and 5,637,423

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562,915 : 5,637,423 = 5,637,423 : x
2. Step 2: Convert to fraction form
   2,562,915/5,637,423 = 5,637,423/x
3. Step 3: Cross multiply
   2,562,915x = 5,637,423 × 5,637,423
4. Step 4: Simplify right side
   2,562,915x = 31,780,538,080,929
5. Step 5: Solve for x
   x = 31,780,538,080,929/2,562,915
6. Step 6: Final answer
   x = 12,400,152.98