Finding the Third Proportional to 109,242 and 164,865

Step by Step Solution

1. Step 1: Write the proportion equation
   109,242 : 164,865 = 164,865 : x
2. Step 2: Convert to fraction form
   109,242/164,865 = 164,865/x
3. Step 3: Cross multiply
   109,242x = 164,865 × 164,865
4. Step 4: Simplify right side
   109,242x = 27,180,468,225
5. Step 5: Solve for x
   x = 27,180,468,225/109,242
6. Step 6: Final answer
   x = 248,809.69