Finding the Third Proportional to 35,434.69 and 54,867.38

Step by Step Solution

1. Step 1: Write the proportion equation
   35,434.69 : 54,867.38 = 54,867.38 : x
2. Step 2: Convert to fraction form
   35,434.69/54,867.38 = 54,867.38/x
3. Step 3: Cross multiply
   35,434.69x = 54,867.38 × 54,867.38
4. Step 4: Simplify right side
   35,434.69x = 3,010,428,839.39
5. Step 5: Solve for x
   x = 3,010,428,839.39/35,434.69
6. Step 6: Final answer
   x = 84,957.12