Finding the Third Proportional to 1,870,590 and 4,019,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,590 : 4,019,172 = 4,019,172 : x
2. Step 2: Convert to fraction form
   1,870,590/4,019,172 = 4,019,172/x
3. Step 3: Cross multiply
   1,870,590x = 4,019,172 × 4,019,172
4. Step 4: Simplify right side
   1,870,590x = 16,153,743,565,584
5. Step 5: Solve for x
   x = 16,153,743,565,584/1,870,590
6. Step 6: Final answer
   x = 8,635,640.93