Finding the Third Proportional to 363,099 and 559,960.50

Step by Step Solution

1. Step 1: Write the proportion equation
   363,099 : 559,960.50 = 559,960.50 : x
2. Step 2: Convert to fraction form
   363,099/559,960.50 = 559,960.50/x
3. Step 3: Cross multiply
   363,099x = 559,960.50 × 559,960.50
4. Step 4: Simplify right side
   363,099x = 313,555,761,560.25
5. Step 5: Solve for x
   x = 313,555,761,560.25/363,099
6. Step 6: Final answer
   x = 863,554.46