Finding the Third Proportional to 40,225.50 and 66,656.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,225.50 : 66,656.25 = 66,656.25 : x
2. Step 2: Convert to fraction form
   40,225.50/66,656.25 = 66,656.25/x
3. Step 3: Cross multiply
   40,225.50x = 66,656.25 × 66,656.25
4. Step 4: Simplify right side
   40,225.50x = 4,443,055,664.06
5. Step 5: Solve for x
   x = 4,443,055,664.06/40,225.50
6. Step 6: Final answer
   x = 110,453.71