Finding the Third Proportional to 111,932 and 155,137

Step by Step Solution

1. Step 1: Write the proportion equation
   111,932 : 155,137 = 155,137 : x
2. Step 2: Convert to fraction form
   111,932/155,137 = 155,137/x
3. Step 3: Cross multiply
   111,932x = 155,137 × 155,137
4. Step 4: Simplify right side
   111,932x = 24,067,488,769
5. Step 5: Solve for x
   x = 24,067,488,769/111,932
6. Step 6: Final answer
   x = 215,018.84