Finding the Third Proportional to 109,212 and 164,820.75

Step by Step Solution

1. Step 1: Write the proportion equation
   109,212 : 164,820.75 = 164,820.75 : x
2. Step 2: Convert to fraction form
   109,212/164,820.75 = 164,820.75/x
3. Step 3: Cross multiply
   109,212x = 164,820.75 × 164,820.75
4. Step 4: Simplify right side
   109,212x = 27,165,879,630.56
5. Step 5: Solve for x
   x = 27,165,879,630.56/109,212
6. Step 6: Final answer
   x = 248,744.46