Finding the Third Proportional to 2,549,560 and 5,478,038

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,560 : 5,478,038 = 5,478,038 : x
2. Step 2: Convert to fraction form
   2,549,560/5,478,038 = 5,478,038/x
3. Step 3: Cross multiply
   2,549,560x = 5,478,038 × 5,478,038
4. Step 4: Simplify right side
   2,549,560x = 30,008,900,329,444
5. Step 5: Solve for x
   x = 30,008,900,329,444/2,549,560
6. Step 6: Final answer
   x = 11,770,227.15