Finding the Third Proportional to 2,181,474 and 4,673,988

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,474 : 4,673,988 = 4,673,988 : x
2. Step 2: Convert to fraction form
   2,181,474/4,673,988 = 4,673,988/x
3. Step 3: Cross multiply
   2,181,474x = 4,673,988 × 4,673,988
4. Step 4: Simplify right side
   2,181,474x = 21,846,163,824,144
5. Step 5: Solve for x
   x = 21,846,163,824,144/2,181,474
6. Step 6: Final answer
   x = 10,014,404.86