Finding the Third Proportional to 5,839,900 and 7,811,658

Step by Step Solution

1. Step 1: Write the proportion equation
   5,839,900 : 7,811,658 = 7,811,658 : x
2. Step 2: Convert to fraction form
   5,839,900/7,811,658 = 7,811,658/x
3. Step 3: Cross multiply
   5,839,900x = 7,811,658 × 7,811,658
4. Step 4: Simplify right side
   5,839,900x = 61,022,000,708,964
5. Step 5: Solve for x
   x = 61,022,000,708,964/5,839,900
6. Step 6: Final answer
   x = 10,449,151.65