Finding the Third Proportional to 611,076.50 and 897,886

Step by Step Solution

1. Step 1: Write the proportion equation
   611,076.50 : 897,886 = 897,886 : x
2. Step 2: Convert to fraction form
   611,076.50/897,886 = 897,886/x
3. Step 3: Cross multiply
   611,076.50x = 897,886 × 897,886
4. Step 4: Simplify right side
   611,076.50x = 806,199,268,996
5. Step 5: Solve for x
   x = 806,199,268,996/611,076.50
6. Step 6: Final answer
   x = 1,319,309.89