Finding the Third Proportional to 485,460 and 1,050,408

Step by Step Solution

1. Step 1: Write the proportion equation
   485,460 : 1,050,408 = 1,050,408 : x
2. Step 2: Convert to fraction form
   485,460/1,050,408 = 1,050,408/x
3. Step 3: Cross multiply
   485,460x = 1,050,408 × 1,050,408
4. Step 4: Simplify right side
   485,460x = 1,103,356,966,464
5. Step 5: Solve for x
   x = 1,103,356,966,464/485,460
6. Step 6: Final answer
   x = 2,272,807.17