Finding the Third Proportional to 2,191,376 and 3,370,170

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,376 : 3,370,170 = 3,370,170 : x
2. Step 2: Convert to fraction form
   2,191,376/3,370,170 = 3,370,170/x
3. Step 3: Cross multiply
   2,191,376x = 3,370,170 × 3,370,170
4. Step 4: Simplify right side
   2,191,376x = 11,358,045,828,900
5. Step 5: Solve for x
   x = 11,358,045,828,900/2,191,376
6. Step 6: Final answer
   x = 5,183,065.72