Finding the Third Proportional to 91,280 and 140,244

Step by Step Solution

1. Step 1: Write the proportion equation
   91,280 : 140,244 = 140,244 : x
2. Step 2: Convert to fraction form
   91,280/140,244 = 140,244/x
3. Step 3: Cross multiply
   91,280x = 140,244 × 140,244
4. Step 4: Simplify right side
   91,280x = 19,668,379,536
5. Step 5: Solve for x
   x = 19,668,379,536/91,280
6. Step 6: Final answer
   x = 215,473.04