Finding the Third Proportional to 19,458.38 and 42,804.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,458.38 : 42,804.75 = 42,804.75 : x
2. Step 2: Convert to fraction form
   19,458.38/42,804.75 = 42,804.75/x
3. Step 3: Cross multiply
   19,458.38x = 42,804.75 × 42,804.75
4. Step 4: Simplify right side
   19,458.38x = 1,832,246,622.56
5. Step 5: Solve for x
   x = 1,832,246,622.56/19,458.38
6. Step 6: Final answer
   x = 94,162.37