Finding the Third Proportional to 1,373,509 and 2,020,551

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373,509 : 2,020,551 = 2,020,551 : x
2. Step 2: Convert to fraction form
   1,373,509/2,020,551 = 2,020,551/x
3. Step 3: Cross multiply
   1,373,509x = 2,020,551 × 2,020,551
4. Step 4: Simplify right side
   1,373,509x = 4,082,626,343,601
5. Step 5: Solve for x
   x = 4,082,626,343,601/1,373,509
6. Step 6: Final answer
   x = 2,972,405.96