Finding the Third Proportional to 572,208 and 1,231,680

Step by Step Solution

1. Step 1: Write the proportion equation
   572,208 : 1,231,680 = 1,231,680 : x
2. Step 2: Convert to fraction form
   572,208/1,231,680 = 1,231,680/x
3. Step 3: Cross multiply
   572,208x = 1,231,680 × 1,231,680
4. Step 4: Simplify right side
   572,208x = 1,517,035,622,400
5. Step 5: Solve for x
   x = 1,517,035,622,400/572,208
6. Step 6: Final answer
   x = 2,651,196.11