Finding the Third Proportional to 1,016,606 and 2,190,667

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,606 : 2,190,667 = 2,190,667 : x
2. Step 2: Convert to fraction form
   1,016,606/2,190,667 = 2,190,667/x
3. Step 3: Cross multiply
   1,016,606x = 2,190,667 × 2,190,667
4. Step 4: Simplify right side
   1,016,606x = 4,799,021,904,889
5. Step 5: Solve for x
   x = 4,799,021,904,889/1,016,606
6. Step 6: Final answer
   x = 4,720,631.10