Finding the Third Proportional to 621,738 and 944,760

Step by Step Solution

1. Step 1: Write the proportion equation
   621,738 : 944,760 = 944,760 : x
2. Step 2: Convert to fraction form
   621,738/944,760 = 944,760/x
3. Step 3: Cross multiply
   621,738x = 944,760 × 944,760
4. Step 4: Simplify right side
   621,738x = 892,571,457,600
5. Step 5: Solve for x
   x = 892,571,457,600/621,738
6. Step 6: Final answer
   x = 1,435,607.05