Finding the Third Proportional to 12,926,392 and 20,042,844

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926,392 : 20,042,844 = 20,042,844 : x
2. Step 2: Convert to fraction form
   12,926,392/20,042,844 = 20,042,844/x
3. Step 3: Cross multiply
   12,926,392x = 20,042,844 × 20,042,844
4. Step 4: Simplify right side
   12,926,392x = 401,715,595,608,336
5. Step 5: Solve for x
   x = 401,715,595,608,336/12,926,392
6. Step 6: Final answer
   x = 31,077,163.34