Finding the Third Proportional to 478,554 and 1,051,449

Step by Step Solution

1. Step 1: Write the proportion equation
   478,554 : 1,051,449 = 1,051,449 : x
2. Step 2: Convert to fraction form
   478,554/1,051,449 = 1,051,449/x
3. Step 3: Cross multiply
   478,554x = 1,051,449 × 1,051,449
4. Step 4: Simplify right side
   478,554x = 1,105,544,999,601
5. Step 5: Solve for x
   x = 1,105,544,999,601/478,554
6. Step 6: Final answer
   x = 2,310,178.16