Finding the Third Proportional to 8,665,146 and 12,113,786

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665,146 : 12,113,786 = 12,113,786 : x
2. Step 2: Convert to fraction form
   8,665,146/12,113,786 = 12,113,786/x
3. Step 3: Cross multiply
   8,665,146x = 12,113,786 × 12,113,786
4. Step 4: Simplify right side
   8,665,146x = 146,743,811,253,796
5. Step 5: Solve for x
   x = 146,743,811,253,796/8,665,146
6. Step 6: Final answer
   x = 16,934,949.65