Finding the Third Proportional to 830,404 and 1,815,900

Step by Step Solution

1. Step 1: Write the proportion equation
   830,404 : 1,815,900 = 1,815,900 : x
2. Step 2: Convert to fraction form
   830,404/1,815,900 = 1,815,900/x
3. Step 3: Cross multiply
   830,404x = 1,815,900 × 1,815,900
4. Step 4: Simplify right side
   830,404x = 3,297,492,810,000
5. Step 5: Solve for x
   x = 3,297,492,810,000/830,404
6. Step 6: Final answer
   x = 3,970,950.06