Finding the Third Proportional to 215,544 and 469,692

Step by Step Solution

1. Step 1: Write the proportion equation
   215,544 : 469,692 = 469,692 : x
2. Step 2: Convert to fraction form
   215,544/469,692 = 469,692/x
3. Step 3: Cross multiply
   215,544x = 469,692 × 469,692
4. Step 4: Simplify right side
   215,544x = 220,610,574,864
5. Step 5: Solve for x
   x = 220,610,574,864/215,544
6. Step 6: Final answer
   x = 1,023,505.99