Finding the Third Proportional to 12,879,222 and 17,429,265

Step by Step Solution

1. Step 1: Write the proportion equation
   12,879,222 : 17,429,265 = 17,429,265 : x
2. Step 2: Convert to fraction form
   12,879,222/17,429,265 = 17,429,265/x
3. Step 3: Cross multiply
   12,879,222x = 17,429,265 × 17,429,265
4. Step 4: Simplify right side
   12,879,222x = 303,779,278,440,225
5. Step 5: Solve for x
   x = 303,779,278,440,225/12,879,222
6. Step 6: Final answer
   x = 23,586,772.43