Finding the Third Proportional to 9,128,204 and 13,052,508

Step by Step Solution

1. Step 1: Write the proportion equation
   9,128,204 : 13,052,508 = 13,052,508 : x
2. Step 2: Convert to fraction form
   9,128,204/13,052,508 = 13,052,508/x
3. Step 3: Cross multiply
   9,128,204x = 13,052,508 × 13,052,508
4. Step 4: Simplify right side
   9,128,204x = 170,367,965,090,064
5. Step 5: Solve for x
   x = 170,367,965,090,064/9,128,204
6. Step 6: Final answer
   x = 18,663,908.59