Finding the Third Proportional to 33,419.25 and 71,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,419.25 : 71,860.50 = 71,860.50 : x
2. Step 2: Convert to fraction form
   33,419.25/71,860.50 = 71,860.50/x
3. Step 3: Cross multiply
   33,419.25x = 71,860.50 × 71,860.50
4. Step 4: Simplify right side
   33,419.25x = 5,163,931,460.25
5. Step 5: Solve for x
   x = 5,163,931,460.25/33,419.25
6. Step 6: Final answer
   x = 154,519.67