Finding the Third Proportional to 1,992,728 and 3,172,361

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,728 : 3,172,361 = 3,172,361 : x
2. Step 2: Convert to fraction form
   1,992,728/3,172,361 = 3,172,361/x
3. Step 3: Cross multiply
   1,992,728x = 3,172,361 × 3,172,361
4. Step 4: Simplify right side
   1,992,728x = 10,063,874,314,321
5. Step 5: Solve for x
   x = 10,063,874,314,321/1,992,728
6. Step 6: Final answer
   x = 5,050,300.05