Finding the Third Proportional to 91,736 and 140,339

Step by Step Solution

1. Step 1: Write the proportion equation
   91,736 : 140,339 = 140,339 : x
2. Step 2: Convert to fraction form
   91,736/140,339 = 140,339/x
3. Step 3: Cross multiply
   91,736x = 140,339 × 140,339
4. Step 4: Simplify right side
   91,736x = 19,695,034,921
5. Step 5: Solve for x
   x = 19,695,034,921/91,736
6. Step 6: Final answer
   x = 214,692.54