Finding the Third Proportional to 749,626 and 1,639,056

Step by Step Solution

1. Step 1: Write the proportion equation
   749,626 : 1,639,056 = 1,639,056 : x
2. Step 2: Convert to fraction form
   749,626/1,639,056 = 1,639,056/x
3. Step 3: Cross multiply
   749,626x = 1,639,056 × 1,639,056
4. Step 4: Simplify right side
   749,626x = 2,686,504,571,136
5. Step 5: Solve for x
   x = 2,686,504,571,136/749,626
6. Step 6: Final answer
   x = 3,583,793.21