Finding the Third Proportional to 1,355,272 and 1,806,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,272 : 1,806,784 = 1,806,784 : x
2. Step 2: Convert to fraction form
   1,355,272/1,806,784 = 1,806,784/x
3. Step 3: Cross multiply
   1,355,272x = 1,806,784 × 1,806,784
4. Step 4: Simplify right side
   1,355,272x = 3,264,468,422,656
5. Step 5: Solve for x
   x = 3,264,468,422,656/1,355,272
6. Step 6: Final answer
   x = 2,408,718.27