Finding the Third Proportional to 2,160,606 and 4,709,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,606 : 4,709,988 = 4,709,988 : x
2. Step 2: Convert to fraction form
   2,160,606/4,709,988 = 4,709,988/x
3. Step 3: Cross multiply
   2,160,606x = 4,709,988 × 4,709,988
4. Step 4: Simplify right side
   2,160,606x = 22,183,986,960,144
5. Step 5: Solve for x
   x = 22,183,986,960,144/2,160,606
6. Step 6: Final answer
   x = 10,267,483.73