Finding the Third Proportional to 170,742 and 245,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,742 : 245,962.50 = 245,962.50 : x
2. Step 2: Convert to fraction form
   170,742/245,962.50 = 245,962.50/x
3. Step 3: Cross multiply
   170,742x = 245,962.50 × 245,962.50
4. Step 4: Simplify right side
   170,742x = 60,497,551,406.25
5. Step 5: Solve for x
   x = 60,497,551,406.25/170,742
6. Step 6: Final answer
   x = 354,321.44