Finding the Third Proportional to 70,878 and 144,996

Step by Step Solution

1. Step 1: Write the proportion equation
   70,878 : 144,996 = 144,996 : x
2. Step 2: Convert to fraction form
   70,878/144,996 = 144,996/x
3. Step 3: Cross multiply
   70,878x = 144,996 × 144,996
4. Step 4: Simplify right side
   70,878x = 21,023,840,016
5. Step 5: Solve for x
   x = 21,023,840,016/70,878
6. Step 6: Final answer
   x = 296,620.11