Finding the Third Proportional to 28,740.38 and 42,933.56

Step by Step Solution

1. Step 1: Write the proportion equation
   28,740.38 : 42,933.56 = 42,933.56 : x
2. Step 2: Convert to fraction form
   28,740.38/42,933.56 = 42,933.56/x
3. Step 3: Cross multiply
   28,740.38x = 42,933.56 × 42,933.56
4. Step 4: Simplify right side
   28,740.38x = 1,843,290,788.94
5. Step 5: Solve for x
   x = 1,843,290,788.94/28,740.38
6. Step 6: Final answer
   x = 64,135.93