Finding the Third Proportional to 75,890.50 and 111,375

Step by Step Solution

1. Step 1: Write the proportion equation
   75,890.50 : 111,375 = 111,375 : x
2. Step 2: Convert to fraction form
   75,890.50/111,375 = 111,375/x
3. Step 3: Cross multiply
   75,890.50x = 111,375 × 111,375
4. Step 4: Simplify right side
   75,890.50x = 12,404,390,625
5. Step 5: Solve for x
   x = 12,404,390,625/75,890.50
6. Step 6: Final answer
   x = 163,451.16