Finding the Third Proportional to 3,451,736 and 5,402,964

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,736 : 5,402,964 = 5,402,964 : x
2. Step 2: Convert to fraction form
   3,451,736/5,402,964 = 5,402,964/x
3. Step 3: Cross multiply
   3,451,736x = 5,402,964 × 5,402,964
4. Step 4: Simplify right side
   3,451,736x = 29,192,019,985,296
5. Step 5: Solve for x
   x = 29,192,019,985,296/3,451,736
6. Step 6: Final answer
   x = 8,457,199.50