Finding the Third Proportional to 2,993,278 and 5,321,708

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993,278 : 5,321,708 = 5,321,708 : x
2. Step 2: Convert to fraction form
   2,993,278/5,321,708 = 5,321,708/x
3. Step 3: Cross multiply
   2,993,278x = 5,321,708 × 5,321,708
4. Step 4: Simplify right side
   2,993,278x = 28,320,576,037,264
5. Step 5: Solve for x
   x = 28,320,576,037,264/2,993,278
6. Step 6: Final answer
   x = 9,461,391.84