Finding the Third Proportional to 1,111,401 and 2,428,299

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,401 : 2,428,299 = 2,428,299 : x
2. Step 2: Convert to fraction form
   1,111,401/2,428,299 = 2,428,299/x
3. Step 3: Cross multiply
   1,111,401x = 2,428,299 × 2,428,299
4. Step 4: Simplify right side
   1,111,401x = 5,896,636,033,401
5. Step 5: Solve for x
   x = 5,896,636,033,401/1,111,401
6. Step 6: Final answer
   x = 5,305,588.20