Finding the Third Proportional to 2,170,770 and 3,191,118

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,770 : 3,191,118 = 3,191,118 : x
2. Step 2: Convert to fraction form
   2,170,770/3,191,118 = 3,191,118/x
3. Step 3: Cross multiply
   2,170,770x = 3,191,118 × 3,191,118
4. Step 4: Simplify right side
   2,170,770x = 10,183,234,089,924
5. Step 5: Solve for x
   x = 10,183,234,089,924/2,170,770
6. Step 6: Final answer
   x = 4,691,070.03