Finding the Third Proportional to 35,421.75 and 55,284.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,421.75 : 55,284.75 = 55,284.75 : x
2. Step 2: Convert to fraction form
   35,421.75/55,284.75 = 55,284.75/x
3. Step 3: Cross multiply
   35,421.75x = 55,284.75 × 55,284.75
4. Step 4: Simplify right side
   35,421.75x = 3,056,403,582.56
5. Step 5: Solve for x
   x = 3,056,403,582.56/35,421.75
6. Step 6: Final answer
   x = 86,286.07