Finding the Third Proportional to 2,170,740 and 3,191,070

Step by Step Solution

1. Step 1: Write the proportion equation
   2,170,740 : 3,191,070 = 3,191,070 : x
2. Step 2: Convert to fraction form
   2,170,740/3,191,070 = 3,191,070/x
3. Step 3: Cross multiply
   2,170,740x = 3,191,070 × 3,191,070
4. Step 4: Simplify right side
   2,170,740x = 10,182,927,744,900
5. Step 5: Solve for x
   x = 10,182,927,744,900/2,170,740
6. Step 6: Final answer
   x = 4,690,993.74