Finding the Third Proportional to 112,986.50 and 154,929

Step by Step Solution

1. Step 1: Write the proportion equation
   112,986.50 : 154,929 = 154,929 : x
2. Step 2: Convert to fraction form
   112,986.50/154,929 = 154,929/x
3. Step 3: Cross multiply
   112,986.50x = 154,929 × 154,929
4. Step 4: Simplify right side
   112,986.50x = 24,002,995,041
5. Step 5: Solve for x
   x = 24,002,995,041/112,986.50
6. Step 6: Final answer
   x = 212,441.27