Finding the Third Proportional to 620,915 and 910,932

Step by Step Solution

1. Step 1: Write the proportion equation
   620,915 : 910,932 = 910,932 : x
2. Step 2: Convert to fraction form
   620,915/910,932 = 910,932/x
3. Step 3: Cross multiply
   620,915x = 910,932 × 910,932
4. Step 4: Simplify right side
   620,915x = 829,797,108,624
5. Step 5: Solve for x
   x = 829,797,108,624/620,915
6. Step 6: Final answer
   x = 1,336,410.15