Finding the Third Proportional to 610,687.50 and 897,786

Step by Step Solution

1. Step 1: Write the proportion equation
   610,687.50 : 897,786 = 897,786 : x
2. Step 2: Convert to fraction form
   610,687.50/897,786 = 897,786/x
3. Step 3: Cross multiply
   610,687.50x = 897,786 × 897,786
4. Step 4: Simplify right side
   610,687.50x = 806,019,701,796
5. Step 5: Solve for x
   x = 806,019,701,796/610,687.50
6. Step 6: Final answer
   x = 1,319,856.23