Finding the Third Proportional to 490,724 and 1,051,400

Step by Step Solution

1. Step 1: Write the proportion equation
   490,724 : 1,051,400 = 1,051,400 : x
2. Step 2: Convert to fraction form
   490,724/1,051,400 = 1,051,400/x
3. Step 3: Cross multiply
   490,724x = 1,051,400 × 1,051,400
4. Step 4: Simplify right side
   490,724x = 1,105,441,960,000
5. Step 5: Solve for x
   x = 1,105,441,960,000/490,724
6. Step 6: Final answer
   x = 2,252,675.56