Finding the Third Proportional to 76,171.50 and 111,314.25

Step by Step Solution

1. Step 1: Write the proportion equation
   76,171.50 : 111,314.25 = 111,314.25 : x
2. Step 2: Convert to fraction form
   76,171.50/111,314.25 = 111,314.25/x
3. Step 3: Cross multiply
   76,171.50x = 111,314.25 × 111,314.25
4. Step 4: Simplify right side
   76,171.50x = 12,390,862,253.06
5. Step 5: Solve for x
   x = 12,390,862,253.06/76,171.50
6. Step 6: Final answer
   x = 162,670.58