Finding the Third Proportional to 4,566,963 and 9,457,647

Step by Step Solution

1. Step 1: Write the proportion equation
   4,566,963 : 9,457,647 = 9,457,647 : x
2. Step 2: Convert to fraction form
   4,566,963/9,457,647 = 9,457,647/x
3. Step 3: Cross multiply
   4,566,963x = 9,457,647 × 9,457,647
4. Step 4: Simplify right side
   4,566,963x = 89,447,086,776,609
5. Step 5: Solve for x
   x = 89,447,086,776,609/4,566,963
6. Step 6: Final answer
   x = 19,585,682.38