Finding the Third Proportional to 8,555,091 and 17,817,858

Step by Step Solution

1. Step 1: Write the proportion equation
   8,555,091 : 17,817,858 = 17,817,858 : x
2. Step 2: Convert to fraction form
   8,555,091/17,817,858 = 17,817,858/x
3. Step 3: Cross multiply
   8,555,091x = 17,817,858 × 17,817,858
4. Step 4: Simplify right side
   8,555,091x = 317,476,063,708,164
5. Step 5: Solve for x
   x = 317,476,063,708,164/8,555,091
6. Step 6: Final answer
   x = 37,109,606.87