Finding the Third Proportional to 12,860,196 and 27,739,530

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860,196 : 27,739,530 = 27,739,530 : x
2. Step 2: Convert to fraction form
   12,860,196/27,739,530 = 27,739,530/x
3. Step 3: Cross multiply
   12,860,196x = 27,739,530 × 27,739,530
4. Step 4: Simplify right side
   12,860,196x = 769,481,524,620,900
5. Step 5: Solve for x
   x = 769,481,524,620,900/12,860,196
6. Step 6: Final answer
   x = 59,834,354.36