Finding the Third Proportional to 9,170,256 and 13,778,424

Step by Step Solution

1. Step 1: Write the proportion equation
   9,170,256 : 13,778,424 = 13,778,424 : x
2. Step 2: Convert to fraction form
   9,170,256/13,778,424 = 13,778,424/x
3. Step 3: Cross multiply
   9,170,256x = 13,778,424 × 13,778,424
4. Step 4: Simplify right side
   9,170,256x = 189,844,967,923,776
5. Step 5: Solve for x
   x = 189,844,967,923,776/9,170,256
6. Step 6: Final answer
   x = 20,702,253.89