Finding the Third Proportional to 221,568.50 and 343,733

Step by Step Solution

1. Step 1: Write the proportion equation
   221,568.50 : 343,733 = 343,733 : x
2. Step 2: Convert to fraction form
   221,568.50/343,733 = 343,733/x
3. Step 3: Cross multiply
   221,568.50x = 343,733 × 343,733
4. Step 4: Simplify right side
   221,568.50x = 118,152,375,289
5. Step 5: Solve for x
   x = 118,152,375,289/221,568.50
6. Step 6: Final answer
   x = 533,254.39