Finding the Third Proportional to 144,194 and 308,316

Step by Step Solution

1. Step 1: Write the proportion equation
   144,194 : 308,316 = 308,316 : x
2. Step 2: Convert to fraction form
   144,194/308,316 = 308,316/x
3. Step 3: Cross multiply
   144,194x = 308,316 × 308,316
4. Step 4: Simplify right side
   144,194x = 95,058,755,856
5. Step 5: Solve for x
   x = 95,058,755,856/144,194
6. Step 6: Final answer
   x = 659,242.10