Finding the Third Proportional to 211,372.50 and 498,464

Step by Step Solution

1. Step 1: Write the proportion equation
   211,372.50 : 498,464 = 498,464 : x
2. Step 2: Convert to fraction form
   211,372.50/498,464 = 498,464/x
3. Step 3: Cross multiply
   211,372.50x = 498,464 × 498,464
4. Step 4: Simplify right side
   211,372.50x = 248,466,359,296
5. Step 5: Solve for x
   x = 248,466,359,296/211,372.50
6. Step 6: Final answer
   x = 1,175,490.47