Finding the Third Proportional to 4,140,418 and 9,009,836

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,418 : 9,009,836 = 9,009,836 : x
2. Step 2: Convert to fraction form
   4,140,418/9,009,836 = 9,009,836/x
3. Step 3: Cross multiply
   4,140,418x = 9,009,836 × 9,009,836
4. Step 4: Simplify right side
   4,140,418x = 81,177,144,746,896
5. Step 5: Solve for x
   x = 81,177,144,746,896/4,140,418
6. Step 6: Final answer
   x = 19,606,026.43