Finding the Third Proportional to 1,399,526 and 2,228,007

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,526 : 2,228,007 = 2,228,007 : x
2. Step 2: Convert to fraction form
   1,399,526/2,228,007 = 2,228,007/x
3. Step 3: Cross multiply
   1,399,526x = 2,228,007 × 2,228,007
4. Step 4: Simplify right side
   1,399,526x = 4,964,015,192,049
5. Step 5: Solve for x
   x = 4,964,015,192,049/1,399,526
6. Step 6: Final answer
   x = 3,546,926.02