Finding the Third Proportional to 333,243 and 516,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   333,243 : 516,145.50 = 516,145.50 : x
2. Step 2: Convert to fraction form
   333,243/516,145.50 = 516,145.50/x
3. Step 3: Cross multiply
   333,243x = 516,145.50 × 516,145.50
4. Step 4: Simplify right side
   333,243x = 266,406,177,170.25
5. Step 5: Solve for x
   x = 266,406,177,170.25/333,243
6. Step 6: Final answer
   x = 799,435.18