Finding the Third Proportional to 8,309,741 and 12,764,780

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309,741 : 12,764,780 = 12,764,780 : x
2. Step 2: Convert to fraction form
   8,309,741/12,764,780 = 12,764,780/x
3. Step 3: Cross multiply
   8,309,741x = 12,764,780 × 12,764,780
4. Step 4: Simplify right side
   8,309,741x = 162,939,608,448,400
5. Step 5: Solve for x
   x = 162,939,608,448,400/8,309,741
6. Step 6: Final answer
   x = 19,608,265.58