Finding the Third Proportional to 111,297 and 170,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,297 : 170,626.50 = 170,626.50 : x
2. Step 2: Convert to fraction form
   111,297/170,626.50 = 170,626.50/x
3. Step 3: Cross multiply
   111,297x = 170,626.50 × 170,626.50
4. Step 4: Simplify right side
   111,297x = 29,113,402,502.25
5. Step 5: Solve for x
   x = 29,113,402,502.25/111,297
6. Step 6: Final answer
   x = 261,582.99