Finding the Third Proportional to 1,979,448 and 4,413,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979,448 : 4,413,792 = 4,413,792 : x
2. Step 2: Convert to fraction form
   1,979,448/4,413,792 = 4,413,792/x
3. Step 3: Cross multiply
   1,979,448x = 4,413,792 × 4,413,792
4. Step 4: Simplify right side
   1,979,448x = 19,481,559,819,264
5. Step 5: Solve for x
   x = 19,481,559,819,264/1,979,448
6. Step 6: Final answer
   x = 9,841,915.43