Finding the Third Proportional to 381,003.75 and 814,536

Step by Step Solution

1. Step 1: Write the proportion equation
   381,003.75 : 814,536 = 814,536 : x
2. Step 2: Convert to fraction form
   381,003.75/814,536 = 814,536/x
3. Step 3: Cross multiply
   381,003.75x = 814,536 × 814,536
4. Step 4: Simplify right side
   381,003.75x = 663,468,895,296
5. Step 5: Solve for x
   x = 663,468,895,296/381,003.75
6. Step 6: Final answer
   x = 1,741,371.04