Finding the Third Proportional to 70,499 and 144,437

Step by Step Solution

1. Step 1: Write the proportion equation
   70,499 : 144,437 = 144,437 : x
2. Step 2: Convert to fraction form
   70,499/144,437 = 144,437/x
3. Step 3: Cross multiply
   70,499x = 144,437 × 144,437
4. Step 4: Simplify right side
   70,499x = 20,862,046,969
5. Step 5: Solve for x
   x = 20,862,046,969/70,499
6. Step 6: Final answer
   x = 295,919.76