Finding the Third Proportional to 1,709,298 and 3,647,421

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,298 : 3,647,421 = 3,647,421 : x
2. Step 2: Convert to fraction form
   1,709,298/3,647,421 = 3,647,421/x
3. Step 3: Cross multiply
   1,709,298x = 3,647,421 × 3,647,421
4. Step 4: Simplify right side
   1,709,298x = 13,303,679,951,241
5. Step 5: Solve for x
   x = 13,303,679,951,241/1,709,298
6. Step 6: Final answer
   x = 7,783,124.97