Finding the Third Proportional to 585,986.50 and 1,243,916

Step by Step Solution

1. Step 1: Write the proportion equation
   585,986.50 : 1,243,916 = 1,243,916 : x
2. Step 2: Convert to fraction form
   585,986.50/1,243,916 = 1,243,916/x
3. Step 3: Cross multiply
   585,986.50x = 1,243,916 × 1,243,916
4. Step 4: Simplify right side
   585,986.50x = 1,547,327,015,056
5. Step 5: Solve for x
   x = 1,547,327,015,056/585,986.50
6. Step 6: Final answer
   x = 2,640,550.62