Finding the Third Proportional to 70,709 and 103,687

Step by Step Solution

1. Step 1: Write the proportion equation
   70,709 : 103,687 = 103,687 : x
2. Step 2: Convert to fraction form
   70,709/103,687 = 103,687/x
3. Step 3: Cross multiply
   70,709x = 103,687 × 103,687
4. Step 4: Simplify right side
   70,709x = 10,750,993,969
5. Step 5: Solve for x
   x = 10,750,993,969/70,709
6. Step 6: Final answer
   x = 152,045.62