Finding the Third Proportional to 1,647,364 and 3,609,656

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,364 : 3,609,656 = 3,609,656 : x
2. Step 2: Convert to fraction form
   1,647,364/3,609,656 = 3,609,656/x
3. Step 3: Cross multiply
   1,647,364x = 3,609,656 × 3,609,656
4. Step 4: Simplify right side
   1,647,364x = 13,029,616,438,336
5. Step 5: Solve for x
   x = 13,029,616,438,336/1,647,364
6. Step 6: Final answer
   x = 7,909,373.06