Finding the Third Proportional to 1,323,288 and 2,870,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323,288 : 2,870,620 = 2,870,620 : x
2. Step 2: Convert to fraction form
   1,323,288/2,870,620 = 2,870,620/x
3. Step 3: Cross multiply
   1,323,288x = 2,870,620 × 2,870,620
4. Step 4: Simplify right side
   1,323,288x = 8,240,459,184,400
5. Step 5: Solve for x
   x = 8,240,459,184,400/1,323,288
6. Step 6: Final answer
   x = 6,227,260.57