Finding the Third Proportional to 1,016,218 and 2,209,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,218 : 2,209,586 = 2,209,586 : x
2. Step 2: Convert to fraction form
   1,016,218/2,209,586 = 2,209,586/x
3. Step 3: Cross multiply
   1,016,218x = 2,209,586 × 2,209,586
4. Step 4: Simplify right side
   1,016,218x = 4,882,270,291,396
5. Step 5: Solve for x
   x = 4,882,270,291,396/1,016,218
6. Step 6: Final answer
   x = 4,804,353.29