Finding the Third Proportional to 490,354.50 and 749,802

Step by Step Solution

1. Step 1: Write the proportion equation
   490,354.50 : 749,802 = 749,802 : x
2. Step 2: Convert to fraction form
   490,354.50/749,802 = 749,802/x
3. Step 3: Cross multiply
   490,354.50x = 749,802 × 749,802
4. Step 4: Simplify right side
   490,354.50x = 562,203,039,204
5. Step 5: Solve for x
   x = 562,203,039,204/490,354.50
6. Step 6: Final answer
   x = 1,146,523.67