Finding the Third Proportional to 458,530 and 1,078,900

Step by Step Solution

1. Step 1: Write the proportion equation
   458,530 : 1,078,900 = 1,078,900 : x
2. Step 2: Convert to fraction form
   458,530/1,078,900 = 1,078,900/x
3. Step 3: Cross multiply
   458,530x = 1,078,900 × 1,078,900
4. Step 4: Simplify right side
   458,530x = 1,164,025,210,000
5. Step 5: Solve for x
   x = 1,164,025,210,000/458,530
6. Step 6: Final answer
   x = 2,538,602.08