Finding the Third Proportional to 90,696 and 142,996

Step by Step Solution

1. Step 1: Write the proportion equation
   90,696 : 142,996 = 142,996 : x
2. Step 2: Convert to fraction form
   90,696/142,996 = 142,996/x
3. Step 3: Cross multiply
   90,696x = 142,996 × 142,996
4. Step 4: Simplify right side
   90,696x = 20,447,856,016
5. Step 5: Solve for x
   x = 20,447,856,016/90,696
6. Step 6: Final answer
   x = 225,454.88