Finding the Third Proportional to 112,988 and 154,930

Step by Step Solution

1. Step 1: Write the proportion equation
   112,988 : 154,930 = 154,930 : x
2. Step 2: Convert to fraction form
   112,988/154,930 = 154,930/x
3. Step 3: Cross multiply
   112,988x = 154,930 × 154,930
4. Step 4: Simplify right side
   112,988x = 24,003,304,900
5. Step 5: Solve for x
   x = 24,003,304,900/112,988
6. Step 6: Final answer
   x = 212,441.19