Finding the Third Proportional to 40,354.50 and 53,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,354.50 : 53,284.50 = 53,284.50 : x
2. Step 2: Convert to fraction form
   40,354.50/53,284.50 = 53,284.50/x
3. Step 3: Cross multiply
   40,354.50x = 53,284.50 × 53,284.50
4. Step 4: Simplify right side
   40,354.50x = 2,839,237,940.25
5. Step 5: Solve for x
   x = 2,839,237,940.25/40,354.50
6. Step 6: Final answer
   x = 70,357.41