Finding the Third Proportional to 142,496.72 and 304,904.25

Step by Step Solution

1. Step 1: Write the proportion equation
   142,496.72 : 304,904.25 = 304,904.25 : x
2. Step 2: Convert to fraction form
   142,496.72/304,904.25 = 304,904.25/x
3. Step 3: Cross multiply
   142,496.72x = 304,904.25 × 304,904.25
4. Step 4: Simplify right side
   142,496.72x = 92,966,601,668.06
5. Step 5: Solve for x
   x = 92,966,601,668.06/142,496.72
6. Step 6: Final answer
   x = 652,412.23