Finding the Third Proportional to 3,933,231 and 8,558,646

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933,231 : 8,558,646 = 8,558,646 : x
2. Step 2: Convert to fraction form
   3,933,231/8,558,646 = 8,558,646/x
3. Step 3: Cross multiply
   3,933,231x = 8,558,646 × 8,558,646
4. Step 4: Simplify right side
   3,933,231x = 73,250,421,353,316
5. Step 5: Solve for x
   x = 73,250,421,353,316/3,933,231
6. Step 6: Final answer
   x = 18,623,473.01