Finding the Third Proportional to 60,426 and 91,919

Step by Step Solution

1. Step 1: Write the proportion equation
   60,426 : 91,919 = 91,919 : x
2. Step 2: Convert to fraction form
   60,426/91,919 = 91,919/x
3. Step 3: Cross multiply
   60,426x = 91,919 × 91,919
4. Step 4: Simplify right side
   60,426x = 8,449,102,561
5. Step 5: Solve for x
   x = 8,449,102,561/60,426
6. Step 6: Final answer
   x = 139,825.61