Finding the Third Proportional to 211,366.50 and 498,450

Step by Step Solution

1. Step 1: Write the proportion equation
   211,366.50 : 498,450 = 498,450 : x
2. Step 2: Convert to fraction form
   211,366.50/498,450 = 498,450/x
3. Step 3: Cross multiply
   211,366.50x = 498,450 × 498,450
4. Step 4: Simplify right side
   211,366.50x = 248,452,402,500
5. Step 5: Solve for x
   x = 248,452,402,500/211,366.50
6. Step 6: Final answer
   x = 1,175,457.81