Finding the Third Proportional to 15,440 and 30,112

Step by Step Solution

1. Step 1: Write the proportion equation
   15,440 : 30,112 = 30,112 : x
2. Step 2: Convert to fraction form
   15,440/30,112 = 30,112/x
3. Step 3: Cross multiply
   15,440x = 30,112 × 30,112
4. Step 4: Simplify right side
   15,440x = 906,732,544
5. Step 5: Solve for x
   x = 906,732,544/15,440
6. Step 6: Final answer
   x = 58,726.20