Finding the Third Proportional to 4,409,154 and 9,448,164

Step by Step Solution

1. Step 1: Write the proportion equation
   4,409,154 : 9,448,164 = 9,448,164 : x
2. Step 2: Convert to fraction form
   4,409,154/9,448,164 = 9,448,164/x
3. Step 3: Cross multiply
   4,409,154x = 9,448,164 × 9,448,164
4. Step 4: Simplify right side
   4,409,154x = 89,267,802,970,896
5. Step 5: Solve for x
   x = 89,267,802,970,896/4,409,154
6. Step 6: Final answer
   x = 20,246,016.12