Finding the Third Proportional to 4,311,480 and 9,388,411

Step by Step Solution

1. Step 1: Write the proportion equation
   4,311,480 : 9,388,411 = 9,388,411 : x
2. Step 2: Convert to fraction form
   4,311,480/9,388,411 = 9,388,411/x
3. Step 3: Cross multiply
   4,311,480x = 9,388,411 × 9,388,411
4. Step 4: Simplify right side
   4,311,480x = 88,142,261,104,921
5. Step 5: Solve for x
   x = 88,142,261,104,921/4,311,480
6. Step 6: Final answer
   x = 20,443,620.54