Finding the Third Proportional to 65,420.50 and 103,759

Step by Step Solution

1. Step 1: Write the proportion equation
   65,420.50 : 103,759 = 103,759 : x
2. Step 2: Convert to fraction form
   65,420.50/103,759 = 103,759/x
3. Step 3: Cross multiply
   65,420.50x = 103,759 × 103,759
4. Step 4: Simplify right side
   65,420.50x = 10,765,930,081
5. Step 5: Solve for x
   x = 10,765,930,081/65,420.50
6. Step 6: Final answer
   x = 164,565.08