Finding the Third Proportional to 80,749.69 and 123,949.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,749.69 : 123,949.69 = 123,949.69 : x
2. Step 2: Convert to fraction form
   80,749.69/123,949.69 = 123,949.69/x
3. Step 3: Cross multiply
   80,749.69x = 123,949.69 × 123,949.69
4. Step 4: Simplify right side
   80,749.69x = 15,363,525,031.35
5. Step 5: Solve for x
   x = 15,363,525,031.35/80,749.69
6. Step 6: Final answer
   x = 190,261.11