Finding the Third Proportional to 40,835.25 and 55,419.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,835.25 : 55,419.75 = 55,419.75 : x
2. Step 2: Convert to fraction form
   40,835.25/55,419.75 = 55,419.75/x
3. Step 3: Cross multiply
   40,835.25x = 55,419.75 × 55,419.75
4. Step 4: Simplify right side
   40,835.25x = 3,071,348,690.06
5. Step 5: Solve for x
   x = 3,071,348,690.06/40,835.25
6. Step 6: Final answer
   x = 75,213.17