Finding the Third Proportional to 142,227 and 214,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,227 : 214,240.50 = 214,240.50 : x
2. Step 2: Convert to fraction form
   142,227/214,240.50 = 214,240.50/x
3. Step 3: Cross multiply
   142,227x = 214,240.50 × 214,240.50
4. Step 4: Simplify right side
   142,227x = 45,898,991,840.25
5. Step 5: Solve for x
   x = 45,898,991,840.25/142,227
6. Step 6: Final answer
   x = 322,716.45