Finding the Third Proportional to 239,892.38 and 513,000

Step by Step Solution

1. Step 1: Write the proportion equation
   239,892.38 : 513,000 = 513,000 : x
2. Step 2: Convert to fraction form
   239,892.38/513,000 = 513,000/x
3. Step 3: Cross multiply
   239,892.38x = 513,000 × 513,000
4. Step 4: Simplify right side
   239,892.38x = 263,169,000,000
5. Step 5: Solve for x
   x = 263,169,000,000/239,892.38
6. Step 6: Final answer
   x = 1,097,029.45