Finding the Third Proportional to 202,933.50 and 321,321

Step by Step Solution

1. Step 1: Write the proportion equation
   202,933.50 : 321,321 = 321,321 : x
2. Step 2: Convert to fraction form
   202,933.50/321,321 = 321,321/x
3. Step 3: Cross multiply
   202,933.50x = 321,321 × 321,321
4. Step 4: Simplify right side
   202,933.50x = 103,247,185,041
5. Step 5: Solve for x
   x = 103,247,185,041/202,933.50
6. Step 6: Final answer
   x = 508,773.49