Finding the Third Proportional to 103,685 and 140,693

Step by Step Solution

1. Step 1: Write the proportion equation
   103,685 : 140,693 = 140,693 : x
2. Step 2: Convert to fraction form
   103,685/140,693 = 140,693/x
3. Step 3: Cross multiply
   103,685x = 140,693 × 140,693
4. Step 4: Simplify right side
   103,685x = 19,794,520,249
5. Step 5: Solve for x
   x = 19,794,520,249/103,685
6. Step 6: Final answer
   x = 190,910.16