Finding the Third Proportional to 140,620 and 302,744

Step by Step Solution

1. Step 1: Write the proportion equation
   140,620 : 302,744 = 302,744 : x
2. Step 2: Convert to fraction form
   140,620/302,744 = 302,744/x
3. Step 3: Cross multiply
   140,620x = 302,744 × 302,744
4. Step 4: Simplify right side
   140,620x = 91,653,929,536
5. Step 5: Solve for x
   x = 91,653,929,536/140,620
6. Step 6: Final answer
   x = 651,784.45