Finding the Third Proportional to 3,687,190 and 5,581,970

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687,190 : 5,581,970 = 5,581,970 : x
2. Step 2: Convert to fraction form
   3,687,190/5,581,970 = 5,581,970/x
3. Step 3: Cross multiply
   3,687,190x = 5,581,970 × 5,581,970
4. Step 4: Simplify right side
   3,687,190x = 31,158,389,080,900
5. Step 5: Solve for x
   x = 31,158,389,080,900/3,687,190
6. Step 6: Final answer
   x = 8,450,443.04