Finding the Third Proportional to 90,140 and 140,126

Step by Step Solution

1. Step 1: Write the proportion equation
   90,140 : 140,126 = 140,126 : x
2. Step 2: Convert to fraction form
   90,140/140,126 = 140,126/x
3. Step 3: Cross multiply
   90,140x = 140,126 × 140,126
4. Step 4: Simplify right side
   90,140x = 19,635,295,876
5. Step 5: Solve for x
   x = 19,635,295,876/90,140
6. Step 6: Final answer
   x = 217,831.11