Finding the Third Proportional to 665,770 and 1,456,090

Step by Step Solution

1. Step 1: Write the proportion equation
   665,770 : 1,456,090 = 1,456,090 : x
2. Step 2: Convert to fraction form
   665,770/1,456,090 = 1,456,090/x
3. Step 3: Cross multiply
   665,770x = 1,456,090 × 1,456,090
4. Step 4: Simplify right side
   665,770x = 2,120,198,088,100
5. Step 5: Solve for x
   x = 2,120,198,088,100/665,770
6. Step 6: Final answer
   x = 3,184,580.39