Finding the Third Proportional to 70,810 and 144,886

Step by Step Solution

1. Step 1: Write the proportion equation
   70,810 : 144,886 = 144,886 : x
2. Step 2: Convert to fraction form
   70,810/144,886 = 144,886/x
3. Step 3: Cross multiply
   70,810x = 144,886 × 144,886
4. Step 4: Simplify right side
   70,810x = 20,991,952,996
5. Step 5: Solve for x
   x = 20,991,952,996/70,810
6. Step 6: Final answer
   x = 296,454.64