Finding the Third Proportional to 1,290,150 and 1,804,490

Step by Step Solution

1. Step 1: Write the proportion equation
   1,290,150 : 1,804,490 = 1,804,490 : x
2. Step 2: Convert to fraction form
   1,290,150/1,804,490 = 1,804,490/x
3. Step 3: Cross multiply
   1,290,150x = 1,804,490 × 1,804,490
4. Step 4: Simplify right side
   1,290,150x = 3,256,184,160,100
5. Step 5: Solve for x
   x = 3,256,184,160,100/1,290,150
6. Step 6: Final answer
   x = 2,523,880.29