Finding the Third Proportional to 670,307 and 1,581,003

Step by Step Solution

1. Step 1: Write the proportion equation
   670,307 : 1,581,003 = 1,581,003 : x
2. Step 2: Convert to fraction form
   670,307/1,581,003 = 1,581,003/x
3. Step 3: Cross multiply
   670,307x = 1,581,003 × 1,581,003
4. Step 4: Simplify right side
   670,307x = 2,499,570,486,009
5. Step 5: Solve for x
   x = 2,499,570,486,009/670,307
6. Step 6: Final answer
   x = 3,728,993.56