Finding the Third Proportional to 1,296,448 and 2,051,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,448 : 2,051,228 = 2,051,228 : x
2. Step 2: Convert to fraction form
   1,296,448/2,051,228 = 2,051,228/x
3. Step 3: Cross multiply
   1,296,448x = 2,051,228 × 2,051,228
4. Step 4: Simplify right side
   1,296,448x = 4,207,536,307,984
5. Step 5: Solve for x
   x = 4,207,536,307,984/1,296,448
6. Step 6: Final answer
   x = 3,245,433.91