Finding the Third Proportional to 572,216 and 1,231,696

Step by Step Solution

1. Step 1: Write the proportion equation
   572,216 : 1,231,696 = 1,231,696 : x
2. Step 2: Convert to fraction form
   572,216/1,231,696 = 1,231,696/x
3. Step 3: Cross multiply
   572,216x = 1,231,696 × 1,231,696
4. Step 4: Simplify right side
   572,216x = 1,517,075,036,416
5. Step 5: Solve for x
   x = 1,517,075,036,416/572,216
6. Step 6: Final answer
   x = 2,651,227.92