Finding the Third Proportional to 519,628 and 1,116,608

Step by Step Solution

1. Step 1: Write the proportion equation
   519,628 : 1,116,608 = 1,116,608 : x
2. Step 2: Convert to fraction form
   519,628/1,116,608 = 1,116,608/x
3. Step 3: Cross multiply
   519,628x = 1,116,608 × 1,116,608
4. Step 4: Simplify right side
   519,628x = 1,246,813,425,664
5. Step 5: Solve for x
   x = 1,246,813,425,664/519,628
6. Step 6: Final answer
   x = 2,399,434.64