Finding the Third Proportional to 339,972 and 500,063

Step by Step Solution

1. Step 1: Write the proportion equation
   339,972 : 500,063 = 500,063 : x
2. Step 2: Convert to fraction form
   339,972/500,063 = 500,063/x
3. Step 3: Cross multiply
   339,972x = 500,063 × 500,063
4. Step 4: Simplify right side
   339,972x = 250,063,003,969
5. Step 5: Solve for x
   x = 250,063,003,969/339,972
6. Step 6: Final answer
   x = 735,540.00