Finding the Third Proportional to 9,174,775 and 12,858,384

Step by Step Solution

1. Step 1: Write the proportion equation
   9,174,775 : 12,858,384 = 12,858,384 : x
2. Step 2: Convert to fraction form
   9,174,775/12,858,384 = 12,858,384/x
3. Step 3: Cross multiply
   9,174,775x = 12,858,384 × 12,858,384
4. Step 4: Simplify right side
   9,174,775x = 165,338,039,091,456
5. Step 5: Solve for x
   x = 165,338,039,091,456/9,174,775
6. Step 6: Final answer
   x = 18,020,936.65