Finding the Third Proportional to 168,576 and 358,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,576 : 358,605.50 = 358,605.50 : x
2. Step 2: Convert to fraction form
   168,576/358,605.50 = 358,605.50/x
3. Step 3: Cross multiply
   168,576x = 358,605.50 × 358,605.50
4. Step 4: Simplify right side
   168,576x = 128,597,904,630.25
5. Step 5: Solve for x
   x = 128,597,904,630.25/168,576
6. Step 6: Final answer
   x = 762,848.24