Finding the Third Proportional to 1,709,349 and 3,647,487

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,349 : 3,647,487 = 3,647,487 : x
2. Step 2: Convert to fraction form
   1,709,349/3,647,487 = 3,647,487/x
3. Step 3: Cross multiply
   1,709,349x = 3,647,487 × 3,647,487
4. Step 4: Simplify right side
   1,709,349x = 13,304,161,415,169
5. Step 5: Solve for x
   x = 13,304,161,415,169/1,709,349
6. Step 6: Final answer
   x = 7,783,174.42