Finding the Third Proportional to 1,942,396 and 4,229,629

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942,396 : 4,229,629 = 4,229,629 : x
2. Step 2: Convert to fraction form
   1,942,396/4,229,629 = 4,229,629/x
3. Step 3: Cross multiply
   1,942,396x = 4,229,629 × 4,229,629
4. Step 4: Simplify right side
   1,942,396x = 17,889,761,477,641
5. Step 5: Solve for x
   x = 17,889,761,477,641/1,942,396
6. Step 6: Final answer
   x = 9,210,151.52