Finding the Third Proportional to 109,191 and 163,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,191 : 163,786.50 = 163,786.50 : x
2. Step 2: Convert to fraction form
   109,191/163,786.50 = 163,786.50/x
3. Step 3: Cross multiply
   109,191x = 163,786.50 × 163,786.50
4. Step 4: Simplify right side
   109,191x = 26,826,017,582.25
5. Step 5: Solve for x
   x = 26,826,017,582.25/109,191
6. Step 6: Final answer
   x = 245,679.75