Finding the Third Proportional to 1,631,436 and 3,578,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631,436 : 3,578,040 = 3,578,040 : x
2. Step 2: Convert to fraction form
   1,631,436/3,578,040 = 3,578,040/x
3. Step 3: Cross multiply
   1,631,436x = 3,578,040 × 3,578,040
4. Step 4: Simplify right side
   1,631,436x = 12,802,370,241,600
5. Step 5: Solve for x
   x = 12,802,370,241,600/1,631,436
6. Step 6: Final answer
   x = 7,847,301.54