Finding the Third Proportional to 144,362.25 and 212,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   144,362.25 : 212,196.38 = 212,196.38 : x
2. Step 2: Convert to fraction form
   144,362.25/212,196.38 = 212,196.38/x
3. Step 3: Cross multiply
   144,362.25x = 212,196.38 × 212,196.38
4. Step 4: Simplify right side
   144,362.25x = 45,027,301,563.14
5. Step 5: Solve for x
   x = 45,027,301,563.14/144,362.25
6. Step 6: Final answer
   x = 311,904.96