Finding the Third Proportional to 2,521,828 and 5,472,326

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521,828 : 5,472,326 = 5,472,326 : x
2. Step 2: Convert to fraction form
   2,521,828/5,472,326 = 5,472,326/x
3. Step 3: Cross multiply
   2,521,828x = 5,472,326 × 5,472,326
4. Step 4: Simplify right side
   2,521,828x = 29,946,351,850,276
5. Step 5: Solve for x
   x = 29,946,351,850,276/2,521,828
6. Step 6: Final answer
   x = 11,874,858.97