Finding the Third Proportional to 140,249 and 191,610

Step by Step Solution

1. Step 1: Write the proportion equation
   140,249 : 191,610 = 191,610 : x
2. Step 2: Convert to fraction form
   140,249/191,610 = 191,610/x
3. Step 3: Cross multiply
   140,249x = 191,610 × 191,610
4. Step 4: Simplify right side
   140,249x = 36,714,392,100
5. Step 5: Solve for x
   x = 36,714,392,100/140,249
6. Step 6: Final answer
   x = 261,780.06