Finding the Third Proportional to 166,929 and 393,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,929 : 393,799.50 = 393,799.50 : x
2. Step 2: Convert to fraction form
   166,929/393,799.50 = 393,799.50/x
3. Step 3: Cross multiply
   166,929x = 393,799.50 × 393,799.50
4. Step 4: Simplify right side
   166,929x = 155,078,046,200.25
5. Step 5: Solve for x
   x = 155,078,046,200.25/166,929
6. Step 6: Final answer
   x = 929,006.02