Finding the Third Proportional to 897,759 and 1,921,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   897,759 : 1,921,621.50 = 1,921,621.50 : x
2. Step 2: Convert to fraction form
   897,759/1,921,621.50 = 1,921,621.50/x
3. Step 3: Cross multiply
   897,759x = 1,921,621.50 × 1,921,621.50
4. Step 4: Simplify right side
   897,759x = 3,692,629,189,262.25
5. Step 5: Solve for x
   x = 3,692,629,189,262.25/897,759
6. Step 6: Final answer
   x = 4,113,163.10