Finding the Third Proportional to 491,408 and 1,051,129

Step by Step Solution

1. Step 1: Write the proportion equation
   491,408 : 1,051,129 = 1,051,129 : x
2. Step 2: Convert to fraction form
   491,408/1,051,129 = 1,051,129/x
3. Step 3: Cross multiply
   491,408x = 1,051,129 × 1,051,129
4. Step 4: Simplify right side
   491,408x = 1,104,872,174,641
5. Step 5: Solve for x
   x = 1,104,872,174,641/491,408
6. Step 6: Final answer
   x = 2,248,380.52