Finding the Third Proportional to 108,356 and 173,030

Step by Step Solution

1. Step 1: Write the proportion equation
   108,356 : 173,030 = 173,030 : x
2. Step 2: Convert to fraction form
   108,356/173,030 = 173,030/x
3. Step 3: Cross multiply
   108,356x = 173,030 × 173,030
4. Step 4: Simplify right side
   108,356x = 29,939,380,900
5. Step 5: Solve for x
   x = 29,939,380,900/108,356
6. Step 6: Final answer
   x = 276,305.70