Finding the Third Proportional to 91,850 and 140,503

Step by Step Solution

1. Step 1: Write the proportion equation
   91,850 : 140,503 = 140,503 : x
2. Step 2: Convert to fraction form
   91,850/140,503 = 140,503/x
3. Step 3: Cross multiply
   91,850x = 140,503 × 140,503
4. Step 4: Simplify right side
   91,850x = 19,741,093,009
5. Step 5: Solve for x
   x = 19,741,093,009/91,850
6. Step 6: Final answer
   x = 214,927.52