Finding the Third Proportional to 4,644,988 and 9,476,600

Step by Step Solution

1. Step 1: Write the proportion equation
   4,644,988 : 9,476,600 = 9,476,600 : x
2. Step 2: Convert to fraction form
   4,644,988/9,476,600 = 9,476,600/x
3. Step 3: Cross multiply
   4,644,988x = 9,476,600 × 9,476,600
4. Step 4: Simplify right side
   4,644,988x = 89,805,947,560,000
5. Step 5: Solve for x
   x = 89,805,947,560,000/4,644,988
6. Step 6: Final answer
   x = 19,333,946.09