Finding the Third Proportional to 65,661 and 95,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,661 : 95,620.50 = 95,620.50 : x
2. Step 2: Convert to fraction form
   65,661/95,620.50 = 95,620.50/x
3. Step 3: Cross multiply
   65,661x = 95,620.50 × 95,620.50
4. Step 4: Simplify right side
   65,661x = 9,143,280,020.25
5. Step 5: Solve for x
   x = 9,143,280,020.25/65,661
6. Step 6: Final answer
   x = 139,249.78