Finding the Third Proportional to 203,476.50 and 322,443

Step by Step Solution

1. Step 1: Write the proportion equation
   203,476.50 : 322,443 = 322,443 : x
2. Step 2: Convert to fraction form
   203,476.50/322,443 = 322,443/x
3. Step 3: Cross multiply
   203,476.50x = 322,443 × 322,443
4. Step 4: Simplify right side
   203,476.50x = 103,969,488,249
5. Step 5: Solve for x
   x = 103,969,488,249/203,476.50
6. Step 6: Final answer
   x = 510,965.58