Finding the Third Proportional to 1,129,440 and 2,479,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,440 : 2,479,968 = 2,479,968 : x
2. Step 2: Convert to fraction form
   1,129,440/2,479,968 = 2,479,968/x
3. Step 3: Cross multiply
   1,129,440x = 2,479,968 × 2,479,968
4. Step 4: Simplify right side
   1,129,440x = 6,150,241,281,024
5. Step 5: Solve for x
   x = 6,150,241,281,024/1,129,440
6. Step 6: Final answer
   x = 5,445,390.00