Finding the Third Proportional to 1,019,368 and 1,619,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,368 : 1,619,454 = 1,619,454 : x
2. Step 2: Convert to fraction form
   1,019,368/1,619,454 = 1,619,454/x
3. Step 3: Cross multiply
   1,019,368x = 1,619,454 × 1,619,454
4. Step 4: Simplify right side
   1,019,368x = 2,622,631,258,116
5. Step 5: Solve for x
   x = 2,622,631,258,116/1,019,368
6. Step 6: Final answer
   x = 2,572,801.24