Finding the Third Proportional to 853,990 and 1,839,932

Step by Step Solution

1. Step 1: Write the proportion equation
   853,990 : 1,839,932 = 1,839,932 : x
2. Step 2: Convert to fraction form
   853,990/1,839,932 = 1,839,932/x
3. Step 3: Cross multiply
   853,990x = 1,839,932 × 1,839,932
4. Step 4: Simplify right side
   853,990x = 3,385,349,764,624
5. Step 5: Solve for x
   x = 3,385,349,764,624/853,990
6. Step 6: Final answer
   x = 3,964,156.21