Finding the Third Proportional to 152,288 and 234,240

Step by Step Solution

1. Step 1: Write the proportion equation
   152,288 : 234,240 = 234,240 : x
2. Step 2: Convert to fraction form
   152,288/234,240 = 234,240/x
3. Step 3: Cross multiply
   152,288x = 234,240 × 234,240
4. Step 4: Simplify right side
   152,288x = 54,868,377,600
5. Step 5: Solve for x
   x = 54,868,377,600/152,288
6. Step 6: Final answer
   x = 360,293.51