Finding the Third Proportional to 374,660.75 and 820,624

Step by Step Solution

1. Step 1: Write the proportion equation
   374,660.75 : 820,624 = 820,624 : x
2. Step 2: Convert to fraction form
   374,660.75/820,624 = 820,624/x
3. Step 3: Cross multiply
   374,660.75x = 820,624 × 820,624
4. Step 4: Simplify right side
   374,660.75x = 673,423,749,376
5. Step 5: Solve for x
   x = 673,423,749,376/374,660.75
6. Step 6: Final answer
   x = 1,797,422.73