Finding the Third Proportional to 1,364,736 and 3,172,608

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364,736 : 3,172,608 = 3,172,608 : x
2. Step 2: Convert to fraction form
   1,364,736/3,172,608 = 3,172,608/x
3. Step 3: Cross multiply
   1,364,736x = 3,172,608 × 3,172,608
4. Step 4: Simplify right side
   1,364,736x = 10,065,441,521,664
5. Step 5: Solve for x
   x = 10,065,441,521,664/1,364,736
6. Step 6: Final answer
   x = 7,375,376.28