Finding the Third Proportional to 1,071,360 and 1,620,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,360 : 1,620,864 = 1,620,864 : x
2. Step 2: Convert to fraction form
   1,071,360/1,620,864 = 1,620,864/x
3. Step 3: Cross multiply
   1,071,360x = 1,620,864 × 1,620,864
4. Step 4: Simplify right side
   1,071,360x = 2,627,200,106,496
5. Step 5: Solve for x
   x = 2,627,200,106,496/1,071,360
6. Step 6: Final answer
   x = 2,452,210.37