Finding the Third Proportional to 2,906,152 and 3,989,352

Step by Step Solution

1. Step 1: Write the proportion equation
   2,906,152 : 3,989,352 = 3,989,352 : x
2. Step 2: Convert to fraction form
   2,906,152/3,989,352 = 3,989,352/x
3. Step 3: Cross multiply
   2,906,152x = 3,989,352 × 3,989,352
4. Step 4: Simplify right side
   2,906,152x = 15,914,929,379,904
5. Step 5: Solve for x
   x = 15,914,929,379,904/2,906,152
6. Step 6: Final answer
   x = 5,476,289.40