Finding the Third Proportional to 1,890,112 and 4,147,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,112 : 4,147,640 = 4,147,640 : x
2. Step 2: Convert to fraction form
   1,890,112/4,147,640 = 4,147,640/x
3. Step 3: Cross multiply
   1,890,112x = 4,147,640 × 4,147,640
4. Step 4: Simplify right side
   1,890,112x = 17,202,917,569,600
5. Step 5: Solve for x
   x = 17,202,917,569,600/1,890,112
6. Step 6: Final answer
   x = 9,101,533.44