Finding the Third Proportional to 1,367,198 and 2,991,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367,198 : 2,991,688 = 2,991,688 : x
2. Step 2: Convert to fraction form
   1,367,198/2,991,688 = 2,991,688/x
3. Step 3: Cross multiply
   1,367,198x = 2,991,688 × 2,991,688
4. Step 4: Simplify right side
   1,367,198x = 8,950,197,089,344
5. Step 5: Solve for x
   x = 8,950,197,089,344/1,367,198
6. Step 6: Final answer
   x = 6,546,379.59