Finding the Third Proportional to 3,656,208 and 8,021,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656,208 : 8,021,316 = 8,021,316 : x
2. Step 2: Convert to fraction form
   3,656,208/8,021,316 = 8,021,316/x
3. Step 3: Cross multiply
   3,656,208x = 8,021,316 × 8,021,316
4. Step 4: Simplify right side
   3,656,208x = 64,341,510,371,856
5. Step 5: Solve for x
   x = 64,341,510,371,856/3,656,208
6. Step 6: Final answer
   x = 17,597,880.20