Finding the Third Proportional to 3,942,432 and 8,444,736

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942,432 : 8,444,736 = 8,444,736 : x
2. Step 2: Convert to fraction form
   3,942,432/8,444,736 = 8,444,736/x
3. Step 3: Cross multiply
   3,942,432x = 8,444,736 × 8,444,736
4. Step 4: Simplify right side
   3,942,432x = 71,313,566,109,696
5. Step 5: Solve for x
   x = 71,313,566,109,696/3,942,432
6. Step 6: Final answer
   x = 18,088,724.45