Finding the Third Proportional to 1,009,745 and 2,161,361

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,745 : 2,161,361 = 2,161,361 : x
2. Step 2: Convert to fraction form
   1,009,745/2,161,361 = 2,161,361/x
3. Step 3: Cross multiply
   1,009,745x = 2,161,361 × 2,161,361
4. Step 4: Simplify right side
   1,009,745x = 4,671,481,372,321
5. Step 5: Solve for x
   x = 4,671,481,372,321/1,009,745
6. Step 6: Final answer
   x = 4,626,397.13