Finding the Third Proportional to 70,689 and 152,449

Step by Step Solution

1. Step 1: Write the proportion equation
   70,689 : 152,449 = 152,449 : x
2. Step 2: Convert to fraction form
   70,689/152,449 = 152,449/x
3. Step 3: Cross multiply
   70,689x = 152,449 × 152,449
4. Step 4: Simplify right side
   70,689x = 23,240,697,601
5. Step 5: Solve for x
   x = 23,240,697,601/70,689
6. Step 6: Final answer
   x = 328,773.89