Finding the Third Proportional to 357,299 and 568,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   357,299 : 568,748.50 = 568,748.50 : x
2. Step 2: Convert to fraction form
   357,299/568,748.50 = 568,748.50/x
3. Step 3: Cross multiply
   357,299x = 568,748.50 × 568,748.50
4. Step 4: Simplify right side
   357,299x = 323,474,856,252.25
5. Step 5: Solve for x
   x = 323,474,856,252.25/357,299
6. Step 6: Final answer
   x = 905,333.79