Finding the Third Proportional to 142,325 and 308,025

Step by Step Solution

1. Step 1: Write the proportion equation
   142,325 : 308,025 = 308,025 : x
2. Step 2: Convert to fraction form
   142,325/308,025 = 308,025/x
3. Step 3: Cross multiply
   142,325x = 308,025 × 308,025
4. Step 4: Simplify right side
   142,325x = 94,879,400,625
5. Step 5: Solve for x
   x = 94,879,400,625/142,325
6. Step 6: Final answer
   x = 666,639.03