Finding the Third Proportional to 669,123 and 953,856

Step by Step Solution

1. Step 1: Write the proportion equation
   669,123 : 953,856 = 953,856 : x
2. Step 2: Convert to fraction form
   669,123/953,856 = 953,856/x
3. Step 3: Cross multiply
   669,123x = 953,856 × 953,856
4. Step 4: Simplify right side
   669,123x = 909,841,268,736
5. Step 5: Solve for x
   x = 909,841,268,736/669,123
6. Step 6: Final answer
   x = 1,359,751.90