Finding the Third Proportional to 610,581 and 897,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   610,581 : 897,589.50 = 897,589.50 : x
2. Step 2: Convert to fraction form
   610,581/897,589.50 = 897,589.50/x
3. Step 3: Cross multiply
   610,581x = 897,589.50 × 897,589.50
4. Step 4: Simplify right side
   610,581x = 805,666,910,510.25
5. Step 5: Solve for x
   x = 805,666,910,510.25/610,581
6. Step 6: Final answer
   x = 1,319,508.65