Finding the Third Proportional to 144,112 and 215,592

Step by Step Solution

1. Step 1: Write the proportion equation
   144,112 : 215,592 = 215,592 : x
2. Step 2: Convert to fraction form
   144,112/215,592 = 215,592/x
3. Step 3: Cross multiply
   144,112x = 215,592 × 215,592
4. Step 4: Simplify right side
   144,112x = 46,479,910,464
5. Step 5: Solve for x
   x = 46,479,910,464/144,112
6. Step 6: Final answer
   x = 322,526.30