Finding the Third Proportional to 1,422,284 and 2,161,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,284 : 2,161,072 = 2,161,072 : x
2. Step 2: Convert to fraction form
   1,422,284/2,161,072 = 2,161,072/x
3. Step 3: Cross multiply
   1,422,284x = 2,161,072 × 2,161,072
4. Step 4: Simplify right side
   1,422,284x = 4,670,232,189,184
5. Step 5: Solve for x
   x = 4,670,232,189,184/1,422,284
6. Step 6: Final answer
   x = 3,283,614.38