Finding the Third Proportional to 170,697 and 245,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,697 : 245,878.50 = 245,878.50 : x
2. Step 2: Convert to fraction form
   170,697/245,878.50 = 245,878.50/x
3. Step 3: Cross multiply
   170,697x = 245,878.50 × 245,878.50
4. Step 4: Simplify right side
   170,697x = 60,456,236,762.25
5. Step 5: Solve for x
   x = 60,456,236,762.25/170,697
6. Step 6: Final answer
   x = 354,172.81