Finding the Third Proportional to 512,999 and 1,113,616

Step by Step Solution

1. Step 1: Write the proportion equation
   512,999 : 1,113,616 = 1,113,616 : x
2. Step 2: Convert to fraction form
   512,999/1,113,616 = 1,113,616/x
3. Step 3: Cross multiply
   512,999x = 1,113,616 × 1,113,616
4. Step 4: Simplify right side
   512,999x = 1,240,140,595,456
5. Step 5: Solve for x
   x = 1,240,140,595,456/512,999
6. Step 6: Final answer
   x = 2,417,432.77