Finding the Third Proportional to 824,856 and 1,236,900

Step by Step Solution

1. Step 1: Write the proportion equation
   824,856 : 1,236,900 = 1,236,900 : x
2. Step 2: Convert to fraction form
   824,856/1,236,900 = 1,236,900/x
3. Step 3: Cross multiply
   824,856x = 1,236,900 × 1,236,900
4. Step 4: Simplify right side
   824,856x = 1,529,921,610,000
5. Step 5: Solve for x
   x = 1,529,921,610,000/824,856
6. Step 6: Final answer
   x = 1,854,774.18