Finding the Third Proportional to 1,901,146 and 3,959,554

Step by Step Solution

1. Step 1: Write the proportion equation
   1,901,146 : 3,959,554 = 3,959,554 : x
2. Step 2: Convert to fraction form
   1,901,146/3,959,554 = 3,959,554/x
3. Step 3: Cross multiply
   1,901,146x = 3,959,554 × 3,959,554
4. Step 4: Simplify right side
   1,901,146x = 15,678,067,878,916
5. Step 5: Solve for x
   x = 15,678,067,878,916/1,901,146
6. Step 6: Final answer
   x = 8,246,640.65