Finding the Third Proportional to 155,521.50 and 333,156

Step by Step Solution

1. Step 1: Write the proportion equation
   155,521.50 : 333,156 = 333,156 : x
2. Step 2: Convert to fraction form
   155,521.50/333,156 = 333,156/x
3. Step 3: Cross multiply
   155,521.50x = 333,156 × 333,156
4. Step 4: Simplify right side
   155,521.50x = 110,992,920,336
5. Step 5: Solve for x
   x = 110,992,920,336/155,521.50
6. Step 6: Final answer
   x = 713,682.16