Finding the Third Proportional to 665,806.50 and 1,456,177.50

Step by Step Solution

1. Step 1: Write the proportion equation
   665,806.50 : 1,456,177.50 = 1,456,177.50 : x
2. Step 2: Convert to fraction form
   665,806.50/1,456,177.50 = 1,456,177.50/x
3. Step 3: Cross multiply
   665,806.50x = 1,456,177.50 × 1,456,177.50
4. Step 4: Simplify right side
   665,806.50x = 2,120,452,911,506.25
5. Step 5: Solve for x
   x = 2,120,452,911,506.25/665,806.50
6. Step 6: Final answer
   x = 3,184,788.54