Finding the Third Proportional to 136,623 and 280,050

Step by Step Solution

1. Step 1: Write the proportion equation
   136,623 : 280,050 = 280,050 : x
2. Step 2: Convert to fraction form
   136,623/280,050 = 280,050/x
3. Step 3: Cross multiply
   136,623x = 280,050 × 280,050
4. Step 4: Simplify right side
   136,623x = 78,428,002,500
5. Step 5: Solve for x
   x = 78,428,002,500/136,623
6. Step 6: Final answer
   x = 574,046.85