Finding the Third Proportional to 74,538 and 111,483

Step by Step Solution

1. Step 1: Write the proportion equation
   74,538 : 111,483 = 111,483 : x
2. Step 2: Convert to fraction form
   74,538/111,483 = 111,483/x
3. Step 3: Cross multiply
   74,538x = 111,483 × 111,483
4. Step 4: Simplify right side
   74,538x = 12,428,459,289
5. Step 5: Solve for x
   x = 12,428,459,289/74,538
6. Step 6: Final answer
   x = 166,739.91