Finding the Third Proportional to 1,296,456 and 2,051,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,456 : 2,051,240 = 2,051,240 : x
2. Step 2: Convert to fraction form
   1,296,456/2,051,240 = 2,051,240/x
3. Step 3: Cross multiply
   1,296,456x = 2,051,240 × 2,051,240
4. Step 4: Simplify right side
   1,296,456x = 4,207,585,537,600
5. Step 5: Solve for x
   x = 4,207,585,537,600/1,296,456
6. Step 6: Final answer
   x = 3,245,451.86