Finding the Third Proportional to 4,296,489 and 9,359,886

Step by Step Solution

1. Step 1: Write the proportion equation
   4,296,489 : 9,359,886 = 9,359,886 : x
2. Step 2: Convert to fraction form
   4,296,489/9,359,886 = 9,359,886/x
3. Step 3: Cross multiply
   4,296,489x = 9,359,886 × 9,359,886
4. Step 4: Simplify right side
   4,296,489x = 87,607,465,932,996
5. Step 5: Solve for x
   x = 87,607,465,932,996/4,296,489
6. Step 6: Final answer
   x = 20,390,478.35