Finding the Third Proportional to 4,072,332 and 8,041,872

Step by Step Solution

1. Step 1: Write the proportion equation
   4,072,332 : 8,041,872 = 8,041,872 : x
2. Step 2: Convert to fraction form
   4,072,332/8,041,872 = 8,041,872/x
3. Step 3: Cross multiply
   4,072,332x = 8,041,872 × 8,041,872
4. Step 4: Simplify right side
   4,072,332x = 64,671,705,264,384
5. Step 5: Solve for x
   x = 64,671,705,264,384/4,072,332
6. Step 6: Final answer
   x = 15,880,754.63