Finding the Third Proportional to 1,019,370 and 1,619,457

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,370 : 1,619,457 = 1,619,457 : x
2. Step 2: Convert to fraction form
   1,019,370/1,619,457 = 1,619,457/x
3. Step 3: Cross multiply
   1,019,370x = 1,619,457 × 1,619,457
4. Step 4: Simplify right side
   1,019,370x = 2,622,640,974,849
5. Step 5: Solve for x
   x = 2,622,640,974,849/1,019,370
6. Step 6: Final answer
   x = 2,572,805.73