Finding the Third Proportional to 111,866 and 146,739

Step by Step Solution

1. Step 1: Write the proportion equation
   111,866 : 146,739 = 146,739 : x
2. Step 2: Convert to fraction form
   111,866/146,739 = 146,739/x
3. Step 3: Cross multiply
   111,866x = 146,739 × 146,739
4. Step 4: Simplify right side
   111,866x = 21,532,334,121
5. Step 5: Solve for x
   x = 21,532,334,121/111,866
6. Step 6: Final answer
   x = 192,483.28