Finding the Third Proportional to 333,242 and 516,145

Step by Step Solution

1. Step 1: Write the proportion equation
   333,242 : 516,145 = 516,145 : x
2. Step 2: Convert to fraction form
   333,242/516,145 = 516,145/x
3. Step 3: Cross multiply
   333,242x = 516,145 × 516,145
4. Step 4: Simplify right side
   333,242x = 266,405,661,025
5. Step 5: Solve for x
   x = 266,405,661,025/333,242
6. Step 6: Final answer
   x = 799,436.03