Finding the Third Proportional to 1,673,728 and 3,685,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,728 : 3,685,280 = 3,685,280 : x
2. Step 2: Convert to fraction form
   1,673,728/3,685,280 = 3,685,280/x
3. Step 3: Cross multiply
   1,673,728x = 3,685,280 × 3,685,280
4. Step 4: Simplify right side
   1,673,728x = 13,581,288,678,400
5. Step 5: Solve for x
   x = 13,581,288,678,400/1,673,728
6. Step 6: Final answer
   x = 8,114,394.14