Finding the Third Proportional to 744,808 and 1,619,216

Step by Step Solution

1. Step 1: Write the proportion equation
   744,808 : 1,619,216 = 1,619,216 : x
2. Step 2: Convert to fraction form
   744,808/1,619,216 = 1,619,216/x
3. Step 3: Cross multiply
   744,808x = 1,619,216 × 1,619,216
4. Step 4: Simplify right side
   744,808x = 2,621,860,454,656
5. Step 5: Solve for x
   x = 2,621,860,454,656/744,808
6. Step 6: Final answer
   x = 3,520,182.99