Finding the Third Proportional to 118,245 and 173,910

Step by Step Solution

1. Step 1: Write the proportion equation
   118,245 : 173,910 = 173,910 : x
2. Step 2: Convert to fraction form
   118,245/173,910 = 173,910/x
3. Step 3: Cross multiply
   118,245x = 173,910 × 173,910
4. Step 4: Simplify right side
   118,245x = 30,244,688,100
5. Step 5: Solve for x
   x = 30,244,688,100/118,245
6. Step 6: Final answer
   x = 255,779.85