Finding the Third Proportional to 142,673.27 and 221,223.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,673.27 : 221,223.02 = 221,223.02 : x
2. Step 2: Convert to fraction form
   142,673.27/221,223.02 = 221,223.02/x
3. Step 3: Cross multiply
   142,673.27x = 221,223.02 × 221,223.02
4. Step 4: Simplify right side
   142,673.27x = 48,939,626,098.83
5. Step 5: Solve for x
   x = 48,939,626,098.83/142,673.27
6. Step 6: Final answer
   x = 343,018.88