Finding the Third Proportional to 144,816 and 307,112

Step by Step Solution

1. Step 1: Write the proportion equation
   144,816 : 307,112 = 307,112 : x
2. Step 2: Convert to fraction form
   144,816/307,112 = 307,112/x
3. Step 3: Cross multiply
   144,816x = 307,112 × 307,112
4. Step 4: Simplify right side
   144,816x = 94,317,780,544
5. Step 5: Solve for x
   x = 94,317,780,544/144,816
6. Step 6: Final answer
   x = 651,293.92