Finding the Third Proportional to 12,879,226 and 17,429,271

Step by Step Solution

1. Step 1: Write the proportion equation
   12,879,226 : 17,429,271 = 17,429,271 : x
2. Step 2: Convert to fraction form
   12,879,226/17,429,271 = 17,429,271/x
3. Step 3: Cross multiply
   12,879,226x = 17,429,271 × 17,429,271
4. Step 4: Simplify right side
   12,879,226x = 303,779,487,591,441
5. Step 5: Solve for x
   x = 303,779,487,591,441/12,879,226
6. Step 6: Final answer
   x = 23,586,781.35