Finding the Third Proportional to 121,752 and 173,756

Step by Step Solution

1. Step 1: Write the proportion equation
   121,752 : 173,756 = 173,756 : x
2. Step 2: Convert to fraction form
   121,752/173,756 = 173,756/x
3. Step 3: Cross multiply
   121,752x = 173,756 × 173,756
4. Step 4: Simplify right side
   121,752x = 30,191,147,536
5. Step 5: Solve for x
   x = 30,191,147,536/121,752
6. Step 6: Final answer
   x = 247,972.50