Finding the Third Proportional to 4,447,989 and 9,762,030

Step by Step Solution

1. Step 1: Write the proportion equation
   4,447,989 : 9,762,030 = 9,762,030 : x
2. Step 2: Convert to fraction form
   4,447,989/9,762,030 = 9,762,030/x
3. Step 3: Cross multiply
   4,447,989x = 9,762,030 × 9,762,030
4. Step 4: Simplify right side
   4,447,989x = 95,297,229,720,900
5. Step 5: Solve for x
   x = 95,297,229,720,900/4,447,989
6. Step 6: Final answer
   x = 21,424,789.88