Finding the Third Proportional to 69,216 and 154,008

Step by Step Solution

1. Step 1: Write the proportion equation
   69,216 : 154,008 = 154,008 : x
2. Step 2: Convert to fraction form
   69,216/154,008 = 154,008/x
3. Step 3: Cross multiply
   69,216x = 154,008 × 154,008
4. Step 4: Simplify right side
   69,216x = 23,718,464,064
5. Step 5: Solve for x
   x = 23,718,464,064/69,216
6. Step 6: Final answer
   x = 342,673.14