Finding the Third Proportional to 1,418,731 and 2,122,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,731 : 2,122,912 = 2,122,912 : x
2. Step 2: Convert to fraction form
   1,418,731/2,122,912 = 2,122,912/x
3. Step 3: Cross multiply
   1,418,731x = 2,122,912 × 2,122,912
4. Step 4: Simplify right side
   1,418,731x = 4,506,755,359,744
5. Step 5: Solve for x
   x = 4,506,755,359,744/1,418,731
6. Step 6: Final answer
   x = 3,176,610.20