Finding the Third Proportional to 110,459.50 and 168,902

Step by Step Solution

1. Step 1: Write the proportion equation
   110,459.50 : 168,902 = 168,902 : x
2. Step 2: Convert to fraction form
   110,459.50/168,902 = 168,902/x
3. Step 3: Cross multiply
   110,459.50x = 168,902 × 168,902
4. Step 4: Simplify right side
   110,459.50x = 28,527,885,604
5. Step 5: Solve for x
   x = 28,527,885,604/110,459.50
6. Step 6: Final answer
   x = 258,265.57