Finding the Third Proportional to 1,355,376 and 1,806,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,376 : 1,806,920 = 1,806,920 : x
2. Step 2: Convert to fraction form
   1,355,376/1,806,920 = 1,806,920/x
3. Step 3: Cross multiply
   1,355,376x = 1,806,920 × 1,806,920
4. Step 4: Simplify right side
   1,355,376x = 3,264,959,886,400
5. Step 5: Solve for x
   x = 3,264,959,886,400/1,355,376
6. Step 6: Final answer
   x = 2,408,896.05