Finding the Third Proportional to 204,026.50 and 286,805

Step by Step Solution

1. Step 1: Write the proportion equation
   204,026.50 : 286,805 = 286,805 : x
2. Step 2: Convert to fraction form
   204,026.50/286,805 = 286,805/x
3. Step 3: Cross multiply
   204,026.50x = 286,805 × 286,805
4. Step 4: Simplify right side
   204,026.50x = 82,257,108,025
5. Step 5: Solve for x
   x = 82,257,108,025/204,026.50
6. Step 6: Final answer
   x = 403,168.75