Finding the Third Proportional to 3,663,149 and 5,384,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,149 : 5,384,988 = 5,384,988 : x
2. Step 2: Convert to fraction form
   3,663,149/5,384,988 = 5,384,988/x
3. Step 3: Cross multiply
   3,663,149x = 5,384,988 × 5,384,988
4. Step 4: Simplify right side
   3,663,149x = 28,998,095,760,144
5. Step 5: Solve for x
   x = 28,998,095,760,144/3,663,149
6. Step 6: Final answer
   x = 7,916,166.05