Finding the Third Proportional to 1,610,142 and 2,178,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610,142 : 2,178,976 = 2,178,976 : x
2. Step 2: Convert to fraction form
   1,610,142/2,178,976 = 2,178,976/x
3. Step 3: Cross multiply
   1,610,142x = 2,178,976 × 2,178,976
4. Step 4: Simplify right side
   1,610,142x = 4,747,936,408,576
5. Step 5: Solve for x
   x = 4,747,936,408,576/1,610,142
6. Step 6: Final answer
   x = 2,948,768.75