Finding the Third Proportional to 155,534 and 333,170

Step by Step Solution

1. Step 1: Write the proportion equation
   155,534 : 333,170 = 333,170 : x
2. Step 2: Convert to fraction form
   155,534/333,170 = 333,170/x
3. Step 3: Cross multiply
   155,534x = 333,170 × 333,170
4. Step 4: Simplify right side
   155,534x = 111,002,248,900
5. Step 5: Solve for x
   x = 111,002,248,900/155,534
6. Step 6: Final answer
   x = 713,684.78