Finding the Third Proportional to 40,956.50 and 64,259.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,956.50 : 64,259.75 = 64,259.75 : x
2. Step 2: Convert to fraction form
   40,956.50/64,259.75 = 64,259.75/x
3. Step 3: Cross multiply
   40,956.50x = 64,259.75 × 64,259.75
4. Step 4: Simplify right side
   40,956.50x = 4,129,315,470.06
5. Step 5: Solve for x
   x = 4,129,315,470.06/40,956.50
6. Step 6: Final answer
   x = 100,821.98