Finding the Third Proportional to 687,015.50 and 1,009,995

Step by Step Solution

1. Step 1: Write the proportion equation
   687,015.50 : 1,009,995 = 1,009,995 : x
2. Step 2: Convert to fraction form
   687,015.50/1,009,995 = 1,009,995/x
3. Step 3: Cross multiply
   687,015.50x = 1,009,995 × 1,009,995
4. Step 4: Simplify right side
   687,015.50x = 1,020,089,900,025
5. Step 5: Solve for x
   x = 1,020,089,900,025/687,015.50
6. Step 6: Final answer
   x = 1,484,813.52