Finding the Third Proportional to 552,410 and 1,222,756

Step by Step Solution

1. Step 1: Write the proportion equation
   552,410 : 1,222,756 = 1,222,756 : x
2. Step 2: Convert to fraction form
   552,410/1,222,756 = 1,222,756/x
3. Step 3: Cross multiply
   552,410x = 1,222,756 × 1,222,756
4. Step 4: Simplify right side
   552,410x = 1,495,132,235,536
5. Step 5: Solve for x
   x = 1,495,132,235,536/552,410
6. Step 6: Final answer
   x = 2,706,562.58