Finding the Third Proportional to 3,663,147 and 5,384,985

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,147 : 5,384,985 = 5,384,985 : x
2. Step 2: Convert to fraction form
   3,663,147/5,384,985 = 5,384,985/x
3. Step 3: Cross multiply
   3,663,147x = 5,384,985 × 5,384,985
4. Step 4: Simplify right side
   3,663,147x = 28,998,063,450,225
5. Step 5: Solve for x
   x = 28,998,063,450,225/3,663,147
6. Step 6: Final answer
   x = 7,916,161.55