Finding the Third Proportional to 238,142.25 and 328,053.38

Step by Step Solution

1. Step 1: Write the proportion equation
   238,142.25 : 328,053.38 = 328,053.38 : x
2. Step 2: Convert to fraction form
   238,142.25/328,053.38 = 328,053.38/x
3. Step 3: Cross multiply
   238,142.25x = 328,053.38 × 328,053.38
4. Step 4: Simplify right side
   238,142.25x = 107,619,016,848.89
5. Step 5: Solve for x
   x = 107,619,016,848.89/238,142.25
6. Step 6: Final answer
   x = 451,910.64