Finding the Third Proportional to 2,619,328 and 5,641,696

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,328 : 5,641,696 = 5,641,696 : x
2. Step 2: Convert to fraction form
   2,619,328/5,641,696 = 5,641,696/x
3. Step 3: Cross multiply
   2,619,328x = 5,641,696 × 5,641,696
4. Step 4: Simplify right side
   2,619,328x = 31,828,733,756,416
5. Step 5: Solve for x
   x = 31,828,733,756,416/2,619,328
6. Step 6: Final answer
   x = 12,151,488.38