Finding the Third Proportional to 1,340,560 and 2,921,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,560 : 2,921,968 = 2,921,968 : x
2. Step 2: Convert to fraction form
   1,340,560/2,921,968 = 2,921,968/x
3. Step 3: Cross multiply
   1,340,560x = 2,921,968 × 2,921,968
4. Step 4: Simplify right side
   1,340,560x = 8,537,896,993,024
5. Step 5: Solve for x
   x = 8,537,896,993,024/1,340,560
6. Step 6: Final answer
   x = 6,368,903.29