Finding the Third Proportional to 113,558 and 173,091

Step by Step Solution

1. Step 1: Write the proportion equation
   113,558 : 173,091 = 173,091 : x
2. Step 2: Convert to fraction form
   113,558/173,091 = 173,091/x
3. Step 3: Cross multiply
   113,558x = 173,091 × 173,091
4. Step 4: Simplify right side
   113,558x = 29,960,494,281
5. Step 5: Solve for x
   x = 29,960,494,281/113,558
6. Step 6: Final answer
   x = 263,834.29