Finding the Third Proportional to 2,545,924 and 5,490,430

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,924 : 5,490,430 = 5,490,430 : x
2. Step 2: Convert to fraction form
   2,545,924/5,490,430 = 5,490,430/x
3. Step 3: Cross multiply
   2,545,924x = 5,490,430 × 5,490,430
4. Step 4: Simplify right side
   2,545,924x = 30,144,821,584,900
5. Step 5: Solve for x
   x = 30,144,821,584,900/2,545,924
6. Step 6: Final answer
   x = 11,840,424.77