Finding the Third Proportional to 1,890,396 and 2,870,544

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,396 : 2,870,544 = 2,870,544 : x
2. Step 2: Convert to fraction form
   1,890,396/2,870,544 = 2,870,544/x
3. Step 3: Cross multiply
   1,890,396x = 2,870,544 × 2,870,544
4. Step 4: Simplify right side
   1,890,396x = 8,240,022,855,936
5. Step 5: Solve for x
   x = 8,240,022,855,936/1,890,396
6. Step 6: Final answer
   x = 4,358,887.16