Finding the Third Proportional to 636,576 and 1,401,088

Step by Step Solution

1. Step 1: Write the proportion equation
   636,576 : 1,401,088 = 1,401,088 : x
2. Step 2: Convert to fraction form
   636,576/1,401,088 = 1,401,088/x
3. Step 3: Cross multiply
   636,576x = 1,401,088 × 1,401,088
4. Step 4: Simplify right side
   636,576x = 1,963,047,583,744
5. Step 5: Solve for x
   x = 1,963,047,583,744/636,576
6. Step 6: Final answer
   x = 3,083,759.97