Finding the Third Proportional to 415,960.50 and 658,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   415,960.50 : 658,086.50 = 658,086.50 : x
2. Step 2: Convert to fraction form
   415,960.50/658,086.50 = 658,086.50/x
3. Step 3: Cross multiply
   415,960.50x = 658,086.50 × 658,086.50
4. Step 4: Simplify right side
   415,960.50x = 433,077,841,482.25
5. Step 5: Solve for x
   x = 433,077,841,482.25/415,960.50
6. Step 6: Final answer
   x = 1,041,151.36