Finding the Third Proportional to 4,740.19 and 9,343.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,740.19 : 9,343.69 = 9,343.69 : x
2. Step 2: Convert to fraction form
   4,740.19/9,343.69 = 9,343.69/x
3. Step 3: Cross multiply
   4,740.19x = 9,343.69 × 9,343.69
4. Step 4: Simplify right side
   4,740.19x = 87,304,496.10
5. Step 5: Solve for x
   x = 87,304,496.10/4,740.19
6. Step 6: Final answer
   x = 18,417.94