Finding the Third Proportional to 144,092 and 231,515

Step by Step Solution

1. Step 1: Write the proportion equation
   144,092 : 231,515 = 231,515 : x
2. Step 2: Convert to fraction form
   144,092/231,515 = 231,515/x
3. Step 3: Cross multiply
   144,092x = 231,515 × 231,515
4. Step 4: Simplify right side
   144,092x = 53,599,195,225
5. Step 5: Solve for x
   x = 53,599,195,225/144,092
6. Step 6: Final answer
   x = 371,978.98