Finding the Third Proportional to 4,309,858 and 9,427,448

Step by Step Solution

1. Step 1: Write the proportion equation
   4,309,858 : 9,427,448 = 9,427,448 : x
2. Step 2: Convert to fraction form
   4,309,858/9,427,448 = 9,427,448/x
3. Step 3: Cross multiply
   4,309,858x = 9,427,448 × 9,427,448
4. Step 4: Simplify right side
   4,309,858x = 88,876,775,792,704
5. Step 5: Solve for x
   x = 88,876,775,792,704/4,309,858
6. Step 6: Final answer
   x = 20,621,741.09