Finding the Third Proportional to 32,778 and 71,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,778 : 71,860.50 = 71,860.50 : x
2. Step 2: Convert to fraction form
   32,778/71,860.50 = 71,860.50/x
3. Step 3: Cross multiply
   32,778x = 71,860.50 × 71,860.50
4. Step 4: Simplify right side
   32,778x = 5,163,931,460.25
5. Step 5: Solve for x
   x = 5,163,931,460.25/32,778
6. Step 6: Final answer
   x = 157,542.60