Finding the Third Proportional to 774,248 and 1,619,432

Step by Step Solution

1. Step 1: Write the proportion equation
   774,248 : 1,619,432 = 1,619,432 : x
2. Step 2: Convert to fraction form
   774,248/1,619,432 = 1,619,432/x
3. Step 3: Cross multiply
   774,248x = 1,619,432 × 1,619,432
4. Step 4: Simplify right side
   774,248x = 2,622,560,002,624
5. Step 5: Solve for x
   x = 2,622,560,002,624/774,248
6. Step 6: Final answer
   x = 3,387,235.10