Finding the Third Proportional to 65,911.50 and 102,144

Step by Step Solution

1. Step 1: Write the proportion equation
   65,911.50 : 102,144 = 102,144 : x
2. Step 2: Convert to fraction form
   65,911.50/102,144 = 102,144/x
3. Step 3: Cross multiply
   65,911.50x = 102,144 × 102,144
4. Step 4: Simplify right side
   65,911.50x = 10,433,396,736
5. Step 5: Solve for x
   x = 10,433,396,736/65,911.50
6. Step 6: Final answer
   x = 158,294.03