Finding the Third Proportional to 90,981 and 162,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,981 : 162,274.50 = 162,274.50 : x
2. Step 2: Convert to fraction form
   90,981/162,274.50 = 162,274.50/x
3. Step 3: Cross multiply
   90,981x = 162,274.50 × 162,274.50
4. Step 4: Simplify right side
   90,981x = 26,333,013,350.25
5. Step 5: Solve for x
   x = 26,333,013,350.25/90,981
6. Step 6: Final answer
   x = 289,434.20