Finding the Third Proportional to 1,992,740 and 3,172,384

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992,740 : 3,172,384 = 3,172,384 : x
2. Step 2: Convert to fraction form
   1,992,740/3,172,384 = 3,172,384/x
3. Step 3: Cross multiply
   1,992,740x = 3,172,384 × 3,172,384
4. Step 4: Simplify right side
   1,992,740x = 10,064,020,243,456
5. Step 5: Solve for x
   x = 10,064,020,243,456/1,992,740
6. Step 6: Final answer
   x = 5,050,342.87