Finding the Third Proportional to 3,933,229 and 8,558,642

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933,229 : 8,558,642 = 8,558,642 : x
2. Step 2: Convert to fraction form
   3,933,229/8,558,642 = 8,558,642/x
3. Step 3: Cross multiply
   3,933,229x = 8,558,642 × 8,558,642
4. Step 4: Simplify right side
   3,933,229x = 73,250,352,884,164
5. Step 5: Solve for x
   x = 73,250,352,884,164/3,933,229
6. Step 6: Final answer
   x = 18,623,465.07