Finding the Third Proportional to 641,956 and 1,355,530

Step by Step Solution

1. Step 1: Write the proportion equation
   641,956 : 1,355,530 = 1,355,530 : x
2. Step 2: Convert to fraction form
   641,956/1,355,530 = 1,355,530/x
3. Step 3: Cross multiply
   641,956x = 1,355,530 × 1,355,530
4. Step 4: Simplify right side
   641,956x = 1,837,461,580,900
5. Step 5: Solve for x
   x = 1,837,461,580,900/641,956
6. Step 6: Final answer
   x = 2,862,285.86