Finding the Third Proportional to 12,826,684 and 19,256,698

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826,684 : 19,256,698 = 19,256,698 : x
2. Step 2: Convert to fraction form
   12,826,684/19,256,698 = 19,256,698/x
3. Step 3: Cross multiply
   12,826,684x = 19,256,698 × 19,256,698
4. Step 4: Simplify right side
   12,826,684x = 370,820,417,863,204
5. Step 5: Solve for x
   x = 370,820,417,863,204/12,826,684
6. Step 6: Final answer
   x = 28,910,076.67