Finding the Third Proportional to 142,534 and 307,162

Step by Step Solution

1. Step 1: Write the proportion equation
   142,534 : 307,162 = 307,162 : x
2. Step 2: Convert to fraction form
   142,534/307,162 = 307,162/x
3. Step 3: Cross multiply
   142,534x = 307,162 × 307,162
4. Step 4: Simplify right side
   142,534x = 94,348,494,244
5. Step 5: Solve for x
   x = 94,348,494,244/142,534
6. Step 6: Final answer
   x = 661,936.76