Finding the Third Proportional to 3,889,942 and 5,708,792

Step by Step Solution

1. Step 1: Write the proportion equation
   3,889,942 : 5,708,792 = 5,708,792 : x
2. Step 2: Convert to fraction form
   3,889,942/5,708,792 = 5,708,792/x
3. Step 3: Cross multiply
   3,889,942x = 5,708,792 × 5,708,792
4. Step 4: Simplify right side
   3,889,942x = 32,590,306,099,264
5. Step 5: Solve for x
   x = 32,590,306,099,264/3,889,942
6. Step 6: Final answer
   x = 8,378,095.64