Finding the Third Proportional to 553,005 and 1,129,338

Step by Step Solution

1. Step 1: Write the proportion equation
   553,005 : 1,129,338 = 1,129,338 : x
2. Step 2: Convert to fraction form
   553,005/1,129,338 = 1,129,338/x
3. Step 3: Cross multiply
   553,005x = 1,129,338 × 1,129,338
4. Step 4: Simplify right side
   553,005x = 1,275,404,318,244
5. Step 5: Solve for x
   x = 1,275,404,318,244/553,005
6. Step 6: Final answer
   x = 2,306,316.07