Finding the Third Proportional to 70,812 and 144,890

Step by Step Solution

1. Step 1: Write the proportion equation
   70,812 : 144,890 = 144,890 : x
2. Step 2: Convert to fraction form
   70,812/144,890 = 144,890/x
3. Step 3: Cross multiply
   70,812x = 144,890 × 144,890
4. Step 4: Simplify right side
   70,812x = 20,993,112,100
5. Step 5: Solve for x
   x = 20,993,112,100/70,812
6. Step 6: Final answer
   x = 296,462.63