Finding the Third Proportional to 3,971,796 and 8,573,304

Step by Step Solution

1. Step 1: Write the proportion equation
   3,971,796 : 8,573,304 = 8,573,304 : x
2. Step 2: Convert to fraction form
   3,971,796/8,573,304 = 8,573,304/x
3. Step 3: Cross multiply
   3,971,796x = 8,573,304 × 8,573,304
4. Step 4: Simplify right side
   3,971,796x = 73,501,541,476,416
5. Step 5: Solve for x
   x = 73,501,541,476,416/3,971,796
6. Step 6: Final answer
   x = 18,505,870.26