Finding the Third Proportional to 660,278 and 1,446,760

Step by Step Solution

1. Step 1: Write the proportion equation
   660,278 : 1,446,760 = 1,446,760 : x
2. Step 2: Convert to fraction form
   660,278/1,446,760 = 1,446,760/x
3. Step 3: Cross multiply
   660,278x = 1,446,760 × 1,446,760
4. Step 4: Simplify right side
   660,278x = 2,093,114,497,600
5. Step 5: Solve for x
   x = 2,093,114,497,600/660,278
6. Step 6: Final answer
   x = 3,170,050.34