Finding the Third Proportional to 328,126.50 and 514,059

Step by Step Solution

1. Step 1: Write the proportion equation
   328,126.50 : 514,059 = 514,059 : x
2. Step 2: Convert to fraction form
   328,126.50/514,059 = 514,059/x
3. Step 3: Cross multiply
   328,126.50x = 514,059 × 514,059
4. Step 4: Simplify right side
   328,126.50x = 264,256,655,481
5. Step 5: Solve for x
   x = 264,256,655,481/328,126.50
6. Step 6: Final answer
   x = 805,349.94