Finding the Third Proportional to 610,522.50 and 897,491.25

Step by Step Solution

1. Step 1: Write the proportion equation
   610,522.50 : 897,491.25 = 897,491.25 : x
2. Step 2: Convert to fraction form
   610,522.50/897,491.25 = 897,491.25/x
3. Step 3: Cross multiply
   610,522.50x = 897,491.25 × 897,491.25
4. Step 4: Simplify right side
   610,522.50x = 805,490,543,826.56
5. Step 5: Solve for x
   x = 805,490,543,826.56/610,522.50
6. Step 6: Final answer
   x = 1,319,346.21