Finding the Third Proportional to 2,142,792 and 4,576,190

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,792 : 4,576,190 = 4,576,190 : x
2. Step 2: Convert to fraction form
   2,142,792/4,576,190 = 4,576,190/x
3. Step 3: Cross multiply
   2,142,792x = 4,576,190 × 4,576,190
4. Step 4: Simplify right side
   2,142,792x = 20,941,514,916,100
5. Step 5: Solve for x
   x = 20,941,514,916,100/2,142,792
6. Step 6: Final answer
   x = 9,773,004.06