Finding the Third Proportional to 747,714 and 1,621,626

Step by Step Solution

1. Step 1: Write the proportion equation
   747,714 : 1,621,626 = 1,621,626 : x
2. Step 2: Convert to fraction form
   747,714/1,621,626 = 1,621,626/x
3. Step 3: Cross multiply
   747,714x = 1,621,626 × 1,621,626
4. Step 4: Simplify right side
   747,714x = 2,629,670,883,876
5. Step 5: Solve for x
   x = 2,629,670,883,876/747,714
6. Step 6: Final answer
   x = 3,516,947.50