Finding the Third Proportional to 605,142 and 1,303,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   605,142 : 1,303,645.50 = 1,303,645.50 : x
2. Step 2: Convert to fraction form
   605,142/1,303,645.50 = 1,303,645.50/x
3. Step 3: Cross multiply
   605,142x = 1,303,645.50 × 1,303,645.50
4. Step 4: Simplify right side
   605,142x = 1,699,491,589,670.25
5. Step 5: Solve for x
   x = 1,699,491,589,670.25/605,142
6. Step 6: Final answer
   x = 2,808,417.84