Finding the Third Proportional to 872,160 and 1,870,410

Step by Step Solution

1. Step 1: Write the proportion equation
   872,160 : 1,870,410 = 1,870,410 : x
2. Step 2: Convert to fraction form
   872,160/1,870,410 = 1,870,410/x
3. Step 3: Cross multiply
   872,160x = 1,870,410 × 1,870,410
4. Step 4: Simplify right side
   872,160x = 3,498,433,568,100
5. Step 5: Solve for x
   x = 3,498,433,568,100/872,160
6. Step 6: Final answer
   x = 4,011,229.10