Finding the Third Proportional to 8,538,835 and 18,298,016

Step by Step Solution

1. Step 1: Write the proportion equation
   8,538,835 : 18,298,016 = 18,298,016 : x
2. Step 2: Convert to fraction form
   8,538,835/18,298,016 = 18,298,016/x
3. Step 3: Cross multiply
   8,538,835x = 18,298,016 × 18,298,016
4. Step 4: Simplify right side
   8,538,835x = 334,817,389,536,256
5. Step 5: Solve for x
   x = 334,817,389,536,256/8,538,835
6. Step 6: Final answer
   x = 39,211,132.38