Finding the Third Proportional to 42,907.66 and 89,736.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,907.66 : 89,736.54 = 89,736.54 : x
2. Step 2: Convert to fraction form
   42,907.66/89,736.54 = 89,736.54/x
3. Step 3: Cross multiply
   42,907.66x = 89,736.54 × 89,736.54
4. Step 4: Simplify right side
   42,907.66x = 8,052,646,442.92
5. Step 5: Solve for x
   x = 8,052,646,442.92/42,907.66
6. Step 6: Final answer
   x = 187,673.85