Finding the Third Proportional to 91,936 and 140,576

Step by Step Solution

1. Step 1: Write the proportion equation
   91,936 : 140,576 = 140,576 : x
2. Step 2: Convert to fraction form
   91,936/140,576 = 140,576/x
3. Step 3: Cross multiply
   91,936x = 140,576 × 140,576
4. Step 4: Simplify right side
   91,936x = 19,761,611,776
5. Step 5: Solve for x
   x = 19,761,611,776/91,936
6. Step 6: Final answer
   x = 214,949.66