Finding the Third Proportional to 1,302,219 and 2,856,555

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302,219 : 2,856,555 = 2,856,555 : x
2. Step 2: Convert to fraction form
   1,302,219/2,856,555 = 2,856,555/x
3. Step 3: Cross multiply
   1,302,219x = 2,856,555 × 2,856,555
4. Step 4: Simplify right side
   1,302,219x = 8,159,906,468,025
5. Step 5: Solve for x
   x = 8,159,906,468,025/1,302,219
6. Step 6: Final answer
   x = 6,266,155.28