Finding the Third Proportional to 142,308 and 223,230

Step by Step Solution

1. Step 1: Write the proportion equation
   142,308 : 223,230 = 223,230 : x
2. Step 2: Convert to fraction form
   142,308/223,230 = 223,230/x
3. Step 3: Cross multiply
   142,308x = 223,230 × 223,230
4. Step 4: Simplify right side
   142,308x = 49,831,632,900
5. Step 5: Solve for x
   x = 49,831,632,900/142,308
6. Step 6: Final answer
   x = 350,167.47