Finding the Third Proportional to 90,684 and 142,982

Step by Step Solution

1. Step 1: Write the proportion equation
   90,684 : 142,982 = 142,982 : x
2. Step 2: Convert to fraction form
   90,684/142,982 = 142,982/x
3. Step 3: Cross multiply
   90,684x = 142,982 × 142,982
4. Step 4: Simplify right side
   90,684x = 20,443,852,324
5. Step 5: Solve for x
   x = 20,443,852,324/90,684
6. Step 6: Final answer
   x = 225,440.57