Finding the Third Proportional to 120,056 and 172,932

Step by Step Solution

1. Step 1: Write the proportion equation
   120,056 : 172,932 = 172,932 : x
2. Step 2: Convert to fraction form
   120,056/172,932 = 172,932/x
3. Step 3: Cross multiply
   120,056x = 172,932 × 172,932
4. Step 4: Simplify right side
   120,056x = 29,905,476,624
5. Step 5: Solve for x
   x = 29,905,476,624/120,056
6. Step 6: Final answer
   x = 249,096.06