Finding the Third Proportional to 342,319.50 and 500,802

Step by Step Solution

1. Step 1: Write the proportion equation
   342,319.50 : 500,802 = 500,802 : x
2. Step 2: Convert to fraction form
   342,319.50/500,802 = 500,802/x
3. Step 3: Cross multiply
   342,319.50x = 500,802 × 500,802
4. Step 4: Simplify right side
   342,319.50x = 250,802,643,204
5. Step 5: Solve for x
   x = 250,802,643,204/342,319.50
6. Step 6: Final answer
   x = 732,656.61