Finding the Third Proportional to 1,647,218 and 3,609,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647,218 : 3,609,364 = 3,609,364 : x
2. Step 2: Convert to fraction form
   1,647,218/3,609,364 = 3,609,364/x
3. Step 3: Cross multiply
   1,647,218x = 3,609,364 × 3,609,364
4. Step 4: Simplify right side
   1,647,218x = 13,027,508,484,496
5. Step 5: Solve for x
   x = 13,027,508,484,496/1,647,218
6. Step 6: Final answer
   x = 7,908,794.39