Finding the Third Proportional to 70,816 and 144,898

Step by Step Solution

1. Step 1: Write the proportion equation
   70,816 : 144,898 = 144,898 : x
2. Step 2: Convert to fraction form
   70,816/144,898 = 144,898/x
3. Step 3: Cross multiply
   70,816x = 144,898 × 144,898
4. Step 4: Simplify right side
   70,816x = 20,995,430,404
5. Step 5: Solve for x
   x = 20,995,430,404/70,816
6. Step 6: Final answer
   x = 296,478.63