Finding the Third Proportional to 2,545,923 and 5,490,429

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,923 : 5,490,429 = 5,490,429 : x
2. Step 2: Convert to fraction form
   2,545,923/5,490,429 = 5,490,429/x
3. Step 3: Cross multiply
   2,545,923x = 5,490,429 × 5,490,429
4. Step 4: Simplify right side
   2,545,923x = 30,144,810,604,041
5. Step 5: Solve for x
   x = 30,144,810,604,041/2,545,923
6. Step 6: Final answer
   x = 11,840,425.10