Finding the Third Proportional to 585,918 and 1,284,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   585,918 : 1,284,007.50 = 1,284,007.50 : x
2. Step 2: Convert to fraction form
   585,918/1,284,007.50 = 1,284,007.50/x
3. Step 3: Cross multiply
   585,918x = 1,284,007.50 × 1,284,007.50
4. Step 4: Simplify right side
   585,918x = 1,648,675,260,056.25
5. Step 5: Solve for x
   x = 1,648,675,260,056.25/585,918
6. Step 6: Final answer
   x = 2,813,832.75