Finding the Third Proportional to 1,021,122 and 2,199,791

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,122 : 2,199,791 = 2,199,791 : x
2. Step 2: Convert to fraction form
   1,021,122/2,199,791 = 2,199,791/x
3. Step 3: Cross multiply
   1,021,122x = 2,199,791 × 2,199,791
4. Step 4: Simplify right side
   1,021,122x = 4,839,080,443,681
5. Step 5: Solve for x
   x = 4,839,080,443,681/1,021,122
6. Step 6: Final answer
   x = 4,738,983.63