Finding the Third Proportional to 142,931.25 and 304,857

Step by Step Solution

1. Step 1: Write the proportion equation
   142,931.25 : 304,857 = 304,857 : x
2. Step 2: Convert to fraction form
   142,931.25/304,857 = 304,857/x
3. Step 3: Cross multiply
   142,931.25x = 304,857 × 304,857
4. Step 4: Simplify right side
   142,931.25x = 92,937,790,449
5. Step 5: Solve for x
   x = 92,937,790,449/142,931.25
6. Step 6: Final answer
   x = 650,227.23