Finding the Third Proportional to 687,619.50 and 1,503,024

Step by Step Solution

1. Step 1: Write the proportion equation
   687,619.50 : 1,503,024 = 1,503,024 : x
2. Step 2: Convert to fraction form
   687,619.50/1,503,024 = 1,503,024/x
3. Step 3: Cross multiply
   687,619.50x = 1,503,024 × 1,503,024
4. Step 4: Simplify right side
   687,619.50x = 2,259,081,144,576
5. Step 5: Solve for x
   x = 2,259,081,144,576/687,619.50
6. Step 6: Final answer
   x = 3,285,365.15