Finding the Third Proportional to 68,910 and 146,019

Step by Step Solution

1. Step 1: Write the proportion equation
   68,910 : 146,019 = 146,019 : x
2. Step 2: Convert to fraction form
   68,910/146,019 = 146,019/x
3. Step 3: Cross multiply
   68,910x = 146,019 × 146,019
4. Step 4: Simplify right side
   68,910x = 21,321,548,361
5. Step 5: Solve for x
   x = 21,321,548,361/68,910
6. Step 6: Final answer
   x = 309,411.53