Finding the Third Proportional to 140,709 and 301,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,709 : 301,100.25 = 301,100.25 : x
2. Step 2: Convert to fraction form
   140,709/301,100.25 = 301,100.25/x
3. Step 3: Cross multiply
   140,709x = 301,100.25 × 301,100.25
4. Step 4: Simplify right side
   140,709x = 90,661,360,550.06
5. Step 5: Solve for x
   x = 90,661,360,550.06/140,709
6. Step 6: Final answer
   x = 644,318.14