Finding the Third Proportional to 172,032 and 252,988

Step by Step Solution

1. Step 1: Write the proportion equation
   172,032 : 252,988 = 252,988 : x
2. Step 2: Convert to fraction form
   172,032/252,988 = 252,988/x
3. Step 3: Cross multiply
   172,032x = 252,988 × 252,988
4. Step 4: Simplify right side
   172,032x = 64,002,928,144
5. Step 5: Solve for x
   x = 64,002,928,144/172,032
6. Step 6: Final answer
   x = 372,040.83