Finding the Third Proportional to 515,914 and 1,068,280

Step by Step Solution

1. Step 1: Write the proportion equation
   515,914 : 1,068,280 = 1,068,280 : x
2. Step 2: Convert to fraction form
   515,914/1,068,280 = 1,068,280/x
3. Step 3: Cross multiply
   515,914x = 1,068,280 × 1,068,280
4. Step 4: Simplify right side
   515,914x = 1,141,222,158,400
5. Step 5: Solve for x
   x = 1,141,222,158,400/515,914
6. Step 6: Final answer
   x = 2,212,039.52