Finding the Third Proportional to 1,709,322 and 3,647,470

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,322 : 3,647,470 = 3,647,470 : x
2. Step 2: Convert to fraction form
   1,709,322/3,647,470 = 3,647,470/x
3. Step 3: Cross multiply
   1,709,322x = 3,647,470 × 3,647,470
4. Step 4: Simplify right side
   1,709,322x = 13,304,037,400,900
5. Step 5: Solve for x
   x = 13,304,037,400,900/1,709,322
6. Step 6: Final answer
   x = 7,783,224.81