Finding the Third Proportional to 38,778 and 62,216

Step by Step Solution

1. Step 1: Write the proportion equation
   38,778 : 62,216 = 62,216 : x
2. Step 2: Convert to fraction form
   38,778/62,216 = 62,216/x
3. Step 3: Cross multiply
   38,778x = 62,216 × 62,216
4. Step 4: Simplify right side
   38,778x = 3,870,830,656
5. Step 5: Solve for x
   x = 3,870,830,656/38,778
6. Step 6: Final answer
   x = 99,820.28