Finding the Third Proportional to 2,545,123 and 5,488,766

Step by Step Solution

1. Step 1: Write the proportion equation
   2,545,123 : 5,488,766 = 5,488,766 : x
2. Step 2: Convert to fraction form
   2,545,123/5,488,766 = 5,488,766/x
3. Step 3: Cross multiply
   2,545,123x = 5,488,766 × 5,488,766
4. Step 4: Simplify right side
   2,545,123x = 30,126,552,202,756
5. Step 5: Solve for x
   x = 30,126,552,202,756/2,545,123
6. Step 6: Final answer
   x = 11,836,972.99