Finding the Third Proportional to 1,323,290 and 2,870,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323,290 : 2,870,624 = 2,870,624 : x
2. Step 2: Convert to fraction form
   1,323,290/2,870,624 = 2,870,624/x
3. Step 3: Cross multiply
   1,323,290x = 2,870,624 × 2,870,624
4. Step 4: Simplify right side
   1,323,290x = 8,240,482,149,376
5. Step 5: Solve for x
   x = 8,240,482,149,376/1,323,290
6. Step 6: Final answer
   x = 6,227,268.51