Finding the Third Proportional to 69,328 and 141,936

Step by Step Solution

1. Step 1: Write the proportion equation
   69,328 : 141,936 = 141,936 : x
2. Step 2: Convert to fraction form
   69,328/141,936 = 141,936/x
3. Step 3: Cross multiply
   69,328x = 141,936 × 141,936
4. Step 4: Simplify right side
   69,328x = 20,145,828,096
5. Step 5: Solve for x
   x = 20,145,828,096/69,328
6. Step 6: Final answer
   x = 290,587.18