Finding the Third Proportional to 207,997.50 and 456,570

Step by Step Solution

1. Step 1: Write the proportion equation
   207,997.50 : 456,570 = 456,570 : x
2. Step 2: Convert to fraction form
   207,997.50/456,570 = 456,570/x
3. Step 3: Cross multiply
   207,997.50x = 456,570 × 456,570
4. Step 4: Simplify right side
   207,997.50x = 208,456,164,900
5. Step 5: Solve for x
   x = 208,456,164,900/207,997.50
6. Step 6: Final answer
   x = 1,002,205.15