Finding the Third Proportional to 3,709,544 and 8,072,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,544 : 8,072,316 = 8,072,316 : x
2. Step 2: Convert to fraction form
   3,709,544/8,072,316 = 8,072,316/x
3. Step 3: Cross multiply
   3,709,544x = 8,072,316 × 8,072,316
4. Step 4: Simplify right side
   3,709,544x = 65,162,285,603,856
5. Step 5: Solve for x
   x = 65,162,285,603,856/3,709,544
6. Step 6: Final answer
   x = 17,566,117.45