Finding the Third Proportional to 1,553,860 and 3,381,176

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,860 : 3,381,176 = 3,381,176 : x
2. Step 2: Convert to fraction form
   1,553,860/3,381,176 = 3,381,176/x
3. Step 3: Cross multiply
   1,553,860x = 3,381,176 × 3,381,176
4. Step 4: Simplify right side
   1,553,860x = 11,432,351,142,976
5. Step 5: Solve for x
   x = 11,432,351,142,976/1,553,860
6. Step 6: Final answer
   x = 7,357,388.14