Finding the Third Proportional to 490,720 and 1,051,392

Step by Step Solution

1. Step 1: Write the proportion equation
   490,720 : 1,051,392 = 1,051,392 : x
2. Step 2: Convert to fraction form
   490,720/1,051,392 = 1,051,392/x
3. Step 3: Cross multiply
   490,720x = 1,051,392 × 1,051,392
4. Step 4: Simplify right side
   490,720x = 1,105,425,137,664
5. Step 5: Solve for x
   x = 1,105,425,137,664/490,720
6. Step 6: Final answer
   x = 2,252,659.64