Finding the Third Proportional to 35,436.38 and 54,869.63

Step by Step Solution

1. Step 1: Write the proportion equation
   35,436.38 : 54,869.63 = 54,869.63 : x
2. Step 2: Convert to fraction form
   35,436.38/54,869.63 = 54,869.63/x
3. Step 3: Cross multiply
   35,436.38x = 54,869.63 × 54,869.63
4. Step 4: Simplify right side
   35,436.38x = 3,010,675,747.64
5. Step 5: Solve for x
   x = 3,010,675,747.64/35,436.38
6. Step 6: Final answer
   x = 84,960.04