Finding the Third Proportional to 90,248 and 140,296

Step by Step Solution

1. Step 1: Write the proportion equation
   90,248 : 140,296 = 140,296 : x
2. Step 2: Convert to fraction form
   90,248/140,296 = 140,296/x
3. Step 3: Cross multiply
   90,248x = 140,296 × 140,296
4. Step 4: Simplify right side
   90,248x = 19,682,967,616
5. Step 5: Solve for x
   x = 19,682,967,616/90,248
6. Step 6: Final answer
   x = 218,098.66