Finding the Third Proportional to 921,456 and 1,423,008

Step by Step Solution

1. Step 1: Write the proportion equation
   921,456 : 1,423,008 = 1,423,008 : x
2. Step 2: Convert to fraction form
   921,456/1,423,008 = 1,423,008/x
3. Step 3: Cross multiply
   921,456x = 1,423,008 × 1,423,008
4. Step 4: Simplify right side
   921,456x = 2,024,951,768,064
5. Step 5: Solve for x
   x = 2,024,951,768,064/921,456
6. Step 6: Final answer
   x = 2,197,556.66