Finding the Third Proportional to 3,971,796 and 8,573,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971,796 : 8,573,268 = 8,573,268 : x
2. Step 2: Convert to fraction form
   3,971,796/8,573,268 = 8,573,268/x
3. Step 3: Cross multiply
   3,971,796x = 8,573,268 × 8,573,268
4. Step 4: Simplify right side
   3,971,796x = 73,500,924,199,824
5. Step 5: Solve for x
   x = 73,500,924,199,824/3,971,796
6. Step 6: Final answer
   x = 18,505,714.85