Finding the Third Proportional to 108,490 and 162,156

Step by Step Solution

1. Step 1: Write the proportion equation
   108,490 : 162,156 = 162,156 : x
2. Step 2: Convert to fraction form
   108,490/162,156 = 162,156/x
3. Step 3: Cross multiply
   108,490x = 162,156 × 162,156
4. Step 4: Simplify right side
   108,490x = 26,294,568,336
5. Step 5: Solve for x
   x = 26,294,568,336/108,490
6. Step 6: Final answer
   x = 242,368.59