Finding the Third Proportional to 142,875 and 307,260

Step by Step Solution

1. Step 1: Write the proportion equation
   142,875 : 307,260 = 307,260 : x
2. Step 2: Convert to fraction form
   142,875/307,260 = 307,260/x
3. Step 3: Cross multiply
   142,875x = 307,260 × 307,260
4. Step 4: Simplify right side
   142,875x = 94,408,707,600
5. Step 5: Solve for x
   x = 94,408,707,600/142,875
6. Step 6: Final answer
   x = 660,778.36