Finding the Third Proportional to 235,570.50 and 516,000

Step by Step Solution

1. Step 1: Write the proportion equation
   235,570.50 : 516,000 = 516,000 : x
2. Step 2: Convert to fraction form
   235,570.50/516,000 = 516,000/x
3. Step 3: Cross multiply
   235,570.50x = 516,000 × 516,000
4. Step 4: Simplify right side
   235,570.50x = 266,256,000,000
5. Step 5: Solve for x
   x = 266,256,000,000/235,570.50
6. Step 6: Final answer
   x = 1,130,260.37