Finding the Third Proportional to 2,124,288 and 3,188,736

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,288 : 3,188,736 = 3,188,736 : x
2. Step 2: Convert to fraction form
   2,124,288/3,188,736 = 3,188,736/x
3. Step 3: Cross multiply
   2,124,288x = 3,188,736 × 3,188,736
4. Step 4: Simplify right side
   2,124,288x = 10,168,037,277,696
5. Step 5: Solve for x
   x = 10,168,037,277,696/2,124,288
6. Step 6: Final answer
   x = 4,786,562.50