Finding the Third Proportional to 2,163,780 and 3,184,434

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,780 : 3,184,434 = 3,184,434 : x
2. Step 2: Convert to fraction form
   2,163,780/3,184,434 = 3,184,434/x
3. Step 3: Cross multiply
   2,163,780x = 3,184,434 × 3,184,434
4. Step 4: Simplify right side
   2,163,780x = 10,140,619,900,356
5. Step 5: Solve for x
   x = 10,140,619,900,356/2,163,780
6. Step 6: Final answer
   x = 4,686,530.01