Finding the Third Proportional to 12,926,200 and 19,139,718

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926,200 : 19,139,718 = 19,139,718 : x
2. Step 2: Convert to fraction form
   12,926,200/19,139,718 = 19,139,718/x
3. Step 3: Cross multiply
   12,926,200x = 19,139,718 × 19,139,718
4. Step 4: Simplify right side
   12,926,200x = 366,328,805,119,524
5. Step 5: Solve for x
   x = 366,328,805,119,524/12,926,200
6. Step 6: Final answer
   x = 28,340,022.99