Finding the Third Proportional to 2,478,840 and 5,255,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478,840 : 5,255,304 = 5,255,304 : x
2. Step 2: Convert to fraction form
   2,478,840/5,255,304 = 5,255,304/x
3. Step 3: Cross multiply
   2,478,840x = 5,255,304 × 5,255,304
4. Step 4: Simplify right side
   2,478,840x = 27,618,220,132,416
5. Step 5: Solve for x
   x = 27,618,220,132,416/2,478,840
6. Step 6: Final answer
   x = 11,141,590.47