Finding the Third Proportional to 2,605,249 and 5,490,434

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,249 : 5,490,434 = 5,490,434 : x
2. Step 2: Convert to fraction form
   2,605,249/5,490,434 = 5,490,434/x
3. Step 3: Cross multiply
   2,605,249x = 5,490,434 × 5,490,434
4. Step 4: Simplify right side
   2,605,249x = 30,144,865,508,356
5. Step 5: Solve for x
   x = 30,144,865,508,356/2,605,249
6. Step 6: Final answer
   x = 11,570,819.34