Finding the Third Proportional to 1,302,828 and 2,870,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302,828 : 2,870,688 = 2,870,688 : x
2. Step 2: Convert to fraction form
   1,302,828/2,870,688 = 2,870,688/x
3. Step 3: Cross multiply
   1,302,828x = 2,870,688 × 2,870,688
4. Step 4: Simplify right side
   1,302,828x = 8,240,849,593,344
5. Step 5: Solve for x
   x = 8,240,849,593,344/1,302,828
6. Step 6: Final answer
   x = 6,325,354.99