Finding the Third Proportional to 1,019,364 and 1,619,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,364 : 1,619,448 = 1,619,448 : x
2. Step 2: Convert to fraction form
   1,019,364/1,619,448 = 1,619,448/x
3. Step 3: Cross multiply
   1,019,364x = 1,619,448 × 1,619,448
4. Step 4: Simplify right side
   1,019,364x = 2,622,611,824,704
5. Step 5: Solve for x
   x = 2,622,611,824,704/1,019,364
6. Step 6: Final answer
   x = 2,572,792.28