Finding the Third Proportional to 1,009,938 and 2,159,843

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,938 : 2,159,843 = 2,159,843 : x
2. Step 2: Convert to fraction form
   1,009,938/2,159,843 = 2,159,843/x
3. Step 3: Cross multiply
   1,009,938x = 2,159,843 × 2,159,843
4. Step 4: Simplify right side
   1,009,938x = 4,664,921,784,649
5. Step 5: Solve for x
   x = 4,664,921,784,649/1,009,938
6. Step 6: Final answer
   x = 4,619,017.98