Finding the Third Proportional to 665,816 and 1,456,196

Step by Step Solution

1. Step 1: Write the proportion equation
   665,816 : 1,456,196 = 1,456,196 : x
2. Step 2: Convert to fraction form
   665,816/1,456,196 = 1,456,196/x
3. Step 3: Cross multiply
   665,816x = 1,456,196 × 1,456,196
4. Step 4: Simplify right side
   665,816x = 2,120,506,790,416
5. Step 5: Solve for x
   x = 2,120,506,790,416/665,816
6. Step 6: Final answer
   x = 3,184,824.02