Finding the Third Proportional to 81,675 and 175,871.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,675 : 175,871.25 = 175,871.25 : x
2. Step 2: Convert to fraction form
   81,675/175,871.25 = 175,871.25/x
3. Step 3: Cross multiply
   81,675x = 175,871.25 × 175,871.25
4. Step 4: Simplify right side
   81,675x = 30,930,696,576.56
5. Step 5: Solve for x
   x = 30,930,696,576.56/81,675
6. Step 6: Final answer
   x = 378,704.58