Finding the Third Proportional to 2,197,988 and 4,686,302

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,988 : 4,686,302 = 4,686,302 : x
2. Step 2: Convert to fraction form
   2,197,988/4,686,302 = 4,686,302/x
3. Step 3: Cross multiply
   2,197,988x = 4,686,302 × 4,686,302
4. Step 4: Simplify right side
   2,197,988x = 21,961,426,435,204
5. Step 5: Solve for x
   x = 21,961,426,435,204/2,197,988
6. Step 6: Final answer
   x = 9,991,604.34