Finding the Third Proportional to 91,848 and 140,406

Step by Step Solution

1. Step 1: Write the proportion equation
   91,848 : 140,406 = 140,406 : x
2. Step 2: Convert to fraction form
   91,848/140,406 = 140,406/x
3. Step 3: Cross multiply
   91,848x = 140,406 × 140,406
4. Step 4: Simplify right side
   91,848x = 19,713,844,836
5. Step 5: Solve for x
   x = 19,713,844,836/91,848
6. Step 6: Final answer
   x = 214,635.54