Finding the Third Proportional to 4,072,330 and 8,041,868

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072,330 : 8,041,868 = 8,041,868 : x
2. Step 2: Convert to fraction form
   4,072,330/8,041,868 = 8,041,868/x
3. Step 3: Cross multiply
   4,072,330x = 8,041,868 × 8,041,868
4. Step 4: Simplify right side
   4,072,330x = 64,671,640,929,424
5. Step 5: Solve for x
   x = 64,671,640,929,424/4,072,330
6. Step 6: Final answer
   x = 15,880,746.63