Finding the Third Proportional to 1,018,390 and 1,497,777

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,390 : 1,497,777 = 1,497,777 : x
2. Step 2: Convert to fraction form
   1,018,390/1,497,777 = 1,497,777/x
3. Step 3: Cross multiply
   1,018,390x = 1,497,777 × 1,497,777
4. Step 4: Simplify right side
   1,018,390x = 2,243,335,941,729
5. Step 5: Solve for x
   x = 2,243,335,941,729/1,018,390
6. Step 6: Final answer
   x = 2,202,825.97