Finding the Third Proportional to 2,485,174 and 5,435,540

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,174 : 5,435,540 = 5,435,540 : x
2. Step 2: Convert to fraction form
   2,485,174/5,435,540 = 5,435,540/x
3. Step 3: Cross multiply
   2,485,174x = 5,435,540 × 5,435,540
4. Step 4: Simplify right side
   2,485,174x = 29,545,095,091,600
5. Step 5: Solve for x
   x = 29,545,095,091,600/2,485,174
6. Step 6: Final answer
   x = 11,888,541.85