Finding the Third Proportional to 103,687 and 140,696

Step by Step Solution

1. Step 1: Write the proportion equation
   103,687 : 140,696 = 140,696 : x
2. Step 2: Convert to fraction form
   103,687/140,696 = 140,696/x
3. Step 3: Cross multiply
   103,687x = 140,696 × 140,696
4. Step 4: Simplify right side
   103,687x = 19,795,364,416
5. Step 5: Solve for x
   x = 19,795,364,416/103,687
6. Step 6: Final answer
   x = 190,914.62