Finding the Third Proportional to 142,325 and 308,026

Step by Step Solution

1. Step 1: Write the proportion equation
   142,325 : 308,026 = 308,026 : x
2. Step 2: Convert to fraction form
   142,325/308,026 = 308,026/x
3. Step 3: Cross multiply
   142,325x = 308,026 × 308,026
4. Step 4: Simplify right side
   142,325x = 94,880,016,676
5. Step 5: Solve for x
   x = 94,880,016,676/142,325
6. Step 6: Final answer
   x = 666,643.36