Finding the Third Proportional to 74,418.75 and 111,314.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,418.75 : 111,314.25 = 111,314.25 : x
2. Step 2: Convert to fraction form
   74,418.75/111,314.25 = 111,314.25/x
3. Step 3: Cross multiply
   74,418.75x = 111,314.25 × 111,314.25
4. Step 4: Simplify right side
   74,418.75x = 12,390,862,253.06
5. Step 5: Solve for x
   x = 12,390,862,253.06/74,418.75
6. Step 6: Final answer
   x = 166,501.89