Finding the Third Proportional to 55,304 and 85,770

Step by Step Solution

1. Step 1: Write the proportion equation
   55,304 : 85,770 = 85,770 : x
2. Step 2: Convert to fraction form
   55,304/85,770 = 85,770/x
3. Step 3: Cross multiply
   55,304x = 85,770 × 85,770
4. Step 4: Simplify right side
   55,304x = 7,356,492,900
5. Step 5: Solve for x
   x = 7,356,492,900/55,304
6. Step 6: Final answer
   x = 133,019.18