Finding the Third Proportional to 1,206,036 and 2,621,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,206,036 : 2,621,688 = 2,621,688 : x
2. Step 2: Convert to fraction form
   1,206,036/2,621,688 = 2,621,688/x
3. Step 3: Cross multiply
   1,206,036x = 2,621,688 × 2,621,688
4. Step 4: Simplify right side
   1,206,036x = 6,873,247,969,344
5. Step 5: Solve for x
   x = 6,873,247,969,344/1,206,036
6. Step 6: Final answer
   x = 5,699,040.47