Finding the Third Proportional to 8,609,858 and 18,112,036

Step by Step Solution

1. Step 1: Write the proportion equation
   8,609,858 : 18,112,036 = 18,112,036 : x
2. Step 2: Convert to fraction form
   8,609,858/18,112,036 = 18,112,036/x
3. Step 3: Cross multiply
   8,609,858x = 18,112,036 × 18,112,036
4. Step 4: Simplify right side
   8,609,858x = 328,045,848,065,296
5. Step 5: Solve for x
   x = 328,045,848,065,296/8,609,858
6. Step 6: Final answer
   x = 38,101,191.46