Finding the Third Proportional to 158,769 and 342,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,769 : 342,464.50 = 342,464.50 : x
2. Step 2: Convert to fraction form
   158,769/342,464.50 = 342,464.50/x
3. Step 3: Cross multiply
   158,769x = 342,464.50 × 342,464.50
4. Step 4: Simplify right side
   158,769x = 117,281,933,760.25
5. Step 5: Solve for x
   x = 117,281,933,760.25/158,769
6. Step 6: Final answer
   x = 738,695.42