Finding the Third Proportional to 9,031,203 and 12,874,128

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031,203 : 12,874,128 = 12,874,128 : x
2. Step 2: Convert to fraction form
   9,031,203/12,874,128 = 12,874,128/x
3. Step 3: Cross multiply
   9,031,203x = 12,874,128 × 12,874,128
4. Step 4: Simplify right side
   9,031,203x = 165,743,171,760,384
5. Step 5: Solve for x
   x = 165,743,171,760,384/9,031,203
6. Step 6: Final answer
   x = 18,352,280.62