Finding the Third Proportional to 665,810 and 1,456,158

Step by Step Solution

1. Step 1: Write the proportion equation
   665,810 : 1,456,158 = 1,456,158 : x
2. Step 2: Convert to fraction form
   665,810/1,456,158 = 1,456,158/x
3. Step 3: Cross multiply
   665,810x = 1,456,158 × 1,456,158
4. Step 4: Simplify right side
   665,810x = 2,120,396,120,964
5. Step 5: Solve for x
   x = 2,120,396,120,964/665,810
6. Step 6: Final answer
   x = 3,184,686.50