Finding the Third Proportional to 1,647,256 and 3,609,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,256 : 3,609,440 = 3,609,440 : x
2. Step 2: Convert to fraction form
   1,647,256/3,609,440 = 3,609,440/x
3. Step 3: Cross multiply
   1,647,256x = 3,609,440 × 3,609,440
4. Step 4: Simplify right side
   1,647,256x = 13,028,057,113,600
5. Step 5: Solve for x
   x = 13,028,057,113,600/1,647,256
6. Step 6: Final answer
   x = 7,908,945.01