Finding the Third Proportional to 1,355,270 and 1,806,781

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,270 : 1,806,781 = 1,806,781 : x
2. Step 2: Convert to fraction form
   1,355,270/1,806,781 = 1,806,781/x
3. Step 3: Cross multiply
   1,355,270x = 1,806,781 × 1,806,781
4. Step 4: Simplify right side
   1,355,270x = 3,264,457,581,961
5. Step 5: Solve for x
   x = 3,264,457,581,961/1,355,270
6. Step 6: Final answer
   x = 2,408,713.82