Finding the Third Proportional to 59,286 and 139,948

Step by Step Solution

1. Step 1: Write the proportion equation
   59,286 : 139,948 = 139,948 : x
2. Step 2: Convert to fraction form
   59,286/139,948 = 139,948/x
3. Step 3: Cross multiply
   59,286x = 139,948 × 139,948
4. Step 4: Simplify right side
   59,286x = 19,585,442,704
5. Step 5: Solve for x
   x = 19,585,442,704/59,286
6. Step 6: Final answer
   x = 330,355.27