Finding the Third Proportional to 4,140,414 and 9,009,828

Step by Step Solution

1. Step 1: Write the proportion equation
   4,140,414 : 9,009,828 = 9,009,828 : x
2. Step 2: Convert to fraction form
   4,140,414/9,009,828 = 9,009,828/x
3. Step 3: Cross multiply
   4,140,414x = 9,009,828 × 9,009,828
4. Step 4: Simplify right side
   4,140,414x = 81,177,000,589,584
5. Step 5: Solve for x
   x = 81,177,000,589,584/4,140,414
6. Step 6: Final answer
   x = 19,606,010.56