Finding the Third Proportional to 129,141 and 173,208.38

Step by Step Solution

1. Step 1: Write the proportion equation
   129,141 : 173,208.38 = 173,208.38 : x
2. Step 2: Convert to fraction form
   129,141/173,208.38 = 173,208.38/x
3. Step 3: Cross multiply
   129,141x = 173,208.38 × 173,208.38
4. Step 4: Simplify right side
   129,141x = 30,001,141,170.14
5. Step 5: Solve for x
   x = 30,001,141,170.14/129,141
6. Step 6: Final answer
   x = 232,313.06