Finding the Third Proportional to 1,216,323 and 1,845,821

Step by Step Solution

1. Step 1: Write the proportion equation
   1,216,323 : 1,845,821 = 1,845,821 : x
2. Step 2: Convert to fraction form
   1,216,323/1,845,821 = 1,845,821/x
3. Step 3: Cross multiply
   1,216,323x = 1,845,821 × 1,845,821
4. Step 4: Simplify right side
   1,216,323x = 3,407,055,164,041
5. Step 5: Solve for x
   x = 3,407,055,164,041/1,216,323
6. Step 6: Final answer
   x = 2,801,110.53