Finding the Third Proportional to 4,409,158 and 9,448,172

Step by Step Solution

1. Step 1: Write the proportion equation
   4,409,158 : 9,448,172 = 9,448,172 : x
2. Step 2: Convert to fraction form
   4,409,158/9,448,172 = 9,448,172/x
3. Step 3: Cross multiply
   4,409,158x = 9,448,172 × 9,448,172
4. Step 4: Simplify right side
   4,409,158x = 89,267,954,141,584
5. Step 5: Solve for x
   x = 89,267,954,141,584/4,409,158
6. Step 6: Final answer
   x = 20,246,032.04