Finding the Third Proportional to 343,771.50 and 756,069

Step by Step Solution

1. Step 1: Write the proportion equation
   343,771.50 : 756,069 = 756,069 : x
2. Step 2: Convert to fraction form
   343,771.50/756,069 = 756,069/x
3. Step 3: Cross multiply
   343,771.50x = 756,069 × 756,069
4. Step 4: Simplify right side
   343,771.50x = 571,640,332,761
5. Step 5: Solve for x
   x = 571,640,332,761/343,771.50
6. Step 6: Final answer
   x = 1,662,849.69