Finding the Third Proportional to 215,424 and 469,484

Step by Step Solution

1. Step 1: Write the proportion equation
   215,424 : 469,484 = 469,484 : x
2. Step 2: Convert to fraction form
   215,424/469,484 = 469,484/x
3. Step 3: Cross multiply
   215,424x = 469,484 × 469,484
4. Step 4: Simplify right side
   215,424x = 220,415,226,256
5. Step 5: Solve for x
   x = 220,415,226,256/215,424
6. Step 6: Final answer
   x = 1,023,169.31