Finding the Third Proportional to 12,682,631 and 27,789,178

Step by Step Solution

1. Step 1: Write the proportion equation
   12,682,631 : 27,789,178 = 27,789,178 : x
2. Step 2: Convert to fraction form
   12,682,631/27,789,178 = 27,789,178/x
3. Step 3: Cross multiply
   12,682,631x = 27,789,178 × 27,789,178
4. Step 4: Simplify right side
   12,682,631x = 772,238,413,915,684
5. Step 5: Solve for x
   x = 772,238,413,915,684/12,682,631
6. Step 6: Final answer
   x = 60,889,449.04