Finding the Third Proportional to 1,709,320 and 3,647,466

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,320 : 3,647,466 = 3,647,466 : x
2. Step 2: Convert to fraction form
   1,709,320/3,647,466 = 3,647,466/x
3. Step 3: Cross multiply
   1,709,320x = 3,647,466 × 3,647,466
4. Step 4: Simplify right side
   1,709,320x = 13,304,008,221,156
5. Step 5: Solve for x
   x = 13,304,008,221,156/1,709,320
6. Step 6: Final answer
   x = 7,783,216.85