Finding the Third Proportional to 70,708 and 152,486

Step by Step Solution

1. Step 1: Write the proportion equation
   70,708 : 152,486 = 152,486 : x
2. Step 2: Convert to fraction form
   70,708/152,486 = 152,486/x
3. Step 3: Cross multiply
   70,708x = 152,486 × 152,486
4. Step 4: Simplify right side
   70,708x = 23,251,980,196
5. Step 5: Solve for x
   x = 23,251,980,196/70,708
6. Step 6: Final answer
   x = 328,845.11