Finding the Third Proportional to 142,429.64 and 225,536.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,429.64 : 225,536.27 = 225,536.27 : x
2. Step 2: Convert to fraction form
   142,429.64/225,536.27 = 225,536.27/x
3. Step 3: Cross multiply
   142,429.64x = 225,536.27 × 225,536.27
4. Step 4: Simplify right side
   142,429.64x = 50,866,610,636.07
5. Step 5: Solve for x
   x = 50,866,610,636.07/142,429.64
6. Step 6: Final answer
   x = 357,135.01