Finding the Third Proportional to 1,838,920 and 2,870,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838,920 : 2,870,137 = 2,870,137 : x
2. Step 2: Convert to fraction form
   1,838,920/2,870,137 = 2,870,137/x
3. Step 3: Cross multiply
   1,838,920x = 2,870,137 × 2,870,137
4. Step 4: Simplify right side
   1,838,920x = 8,237,686,398,769
5. Step 5: Solve for x
   x = 8,237,686,398,769/1,838,920
6. Step 6: Final answer
   x = 4,479,632.83