Finding the Third Proportional to 838,404 and 1,818,600

Step by Step Solution

1. Step 1: Write the proportion equation
   838,404 : 1,818,600 = 1,818,600 : x
2. Step 2: Convert to fraction form
   838,404/1,818,600 = 1,818,600/x
3. Step 3: Cross multiply
   838,404x = 1,818,600 × 1,818,600
4. Step 4: Simplify right side
   838,404x = 3,307,305,960,000
5. Step 5: Solve for x
   x = 3,307,305,960,000/838,404
6. Step 6: Final answer
   x = 3,944,764.05