Finding the Third Proportional to 2,558,080 and 5,470,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,080 : 5,470,624 = 5,470,624 : x
2. Step 2: Convert to fraction form
   2,558,080/5,470,624 = 5,470,624/x
3. Step 3: Cross multiply
   2,558,080x = 5,470,624 × 5,470,624
4. Step 4: Simplify right side
   2,558,080x = 29,927,726,949,376
5. Step 5: Solve for x
   x = 29,927,726,949,376/2,558,080
6. Step 6: Final answer
   x = 11,699,292.81