Finding the Third Proportional to 113,902.50 and 169,911

Step by Step Solution

1. Step 1: Write the proportion equation
   113,902.50 : 169,911 = 169,911 : x
2. Step 2: Convert to fraction form
   113,902.50/169,911 = 169,911/x
3. Step 3: Cross multiply
   113,902.50x = 169,911 × 169,911
4. Step 4: Simplify right side
   113,902.50x = 28,869,747,921
5. Step 5: Solve for x
   x = 28,869,747,921/113,902.50
6. Step 6: Final answer
   x = 253,460.18