Finding the Third Proportional to 74,456 and 111,699

Step by Step Solution

1. Step 1: Write the proportion equation
   74,456 : 111,699 = 111,699 : x
2. Step 2: Convert to fraction form
   74,456/111,699 = 111,699/x
3. Step 3: Cross multiply
   74,456x = 111,699 × 111,699
4. Step 4: Simplify right side
   74,456x = 12,476,666,601
5. Step 5: Solve for x
   x = 12,476,666,601/74,456
6. Step 6: Final answer
   x = 167,571.00