Finding the Third Proportional to 1,784,721 and 3,479,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784,721 : 3,479,772 = 3,479,772 : x
2. Step 2: Convert to fraction form
   1,784,721/3,479,772 = 3,479,772/x
3. Step 3: Cross multiply
   1,784,721x = 3,479,772 × 3,479,772
4. Step 4: Simplify right side
   1,784,721x = 12,108,813,171,984
5. Step 5: Solve for x
   x = 12,108,813,171,984/1,784,721
6. Step 6: Final answer
   x = 6,784,709.30