Finding the Third Proportional to 1,363,840 and 2,045,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,840 : 2,045,760 = 2,045,760 : x
2. Step 2: Convert to fraction form
   1,363,840/2,045,760 = 2,045,760/x
3. Step 3: Cross multiply
   1,363,840x = 2,045,760 × 2,045,760
4. Step 4: Simplify right side
   1,363,840x = 4,185,133,977,600
5. Step 5: Solve for x
   x = 4,185,133,977,600/1,363,840
6. Step 6: Final answer
   x = 3,068,640