Finding the Third Proportional to 556,106 and 1,222,804

Step by Step Solution

1. Step 1: Write the proportion equation
   556,106 : 1,222,804 = 1,222,804 : x
2. Step 2: Convert to fraction form
   556,106/1,222,804 = 1,222,804/x
3. Step 3: Cross multiply
   556,106x = 1,222,804 × 1,222,804
4. Step 4: Simplify right side
   556,106x = 1,495,249,622,416
5. Step 5: Solve for x
   x = 1,495,249,622,416/556,106
6. Step 6: Final answer
   x = 2,688,785.27