Finding the Third Proportional to 373,884 and 561,300

Step by Step Solution

1. Step 1: Write the proportion equation
   373,884 : 561,300 = 561,300 : x
2. Step 2: Convert to fraction form
   373,884/561,300 = 561,300/x
3. Step 3: Cross multiply
   373,884x = 561,300 × 561,300
4. Step 4: Simplify right side
   373,884x = 315,057,690,000
5. Step 5: Solve for x
   x = 315,057,690,000/373,884
6. Step 6: Final answer
   x = 842,661.60