Finding the Third Proportional to 163,105 and 252,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   163,105 : 252,079.50 = 252,079.50 : x
2. Step 2: Convert to fraction form
   163,105/252,079.50 = 252,079.50/x
3. Step 3: Cross multiply
   163,105x = 252,079.50 × 252,079.50
4. Step 4: Simplify right side
   163,105x = 63,544,074,320.25
5. Step 5: Solve for x
   x = 63,544,074,320.25/163,105
6. Step 6: Final answer
   x = 389,589.98