Finding the Third Proportional to 525,960 and 813,564

Step by Step Solution

1. Step 1: Write the proportion equation
   525,960 : 813,564 = 813,564 : x
2. Step 2: Convert to fraction form
   525,960/813,564 = 813,564/x
3. Step 3: Cross multiply
   525,960x = 813,564 × 813,564
4. Step 4: Simplify right side
   525,960x = 661,886,382,096
5. Step 5: Solve for x
   x = 661,886,382,096/525,960
6. Step 6: Final answer
   x = 1,258,434.83