Finding the Third Proportional to 170,691 and 245,869.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,691 : 245,869.50 = 245,869.50 : x
2. Step 2: Convert to fraction form
   170,691/245,869.50 = 245,869.50/x
3. Step 3: Cross multiply
   170,691x = 245,869.50 × 245,869.50
4. Step 4: Simplify right side
   170,691x = 60,451,811,030.25
5. Step 5: Solve for x
   x = 60,451,811,030.25/170,691
6. Step 6: Final answer
   x = 354,159.33