Finding the Third Proportional to 7,918 and 12,308

Step by Step Solution

1. Step 1: Write the proportion equation
   7,918 : 12,308 = 12,308 : x
2. Step 2: Convert to fraction form
   7,918/12,308 = 12,308/x
3. Step 3: Cross multiply
   7,918x = 12,308 × 12,308
4. Step 4: Simplify right side
   7,918x = 151,486,864
5. Step 5: Solve for x
   x = 151,486,864/7,918
6. Step 6: Final answer
   x = 19,131.96