Finding the Third Proportional to 3,933,236 and 8,558,656

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933,236 : 8,558,656 = 8,558,656 : x
2. Step 2: Convert to fraction form
   3,933,236/8,558,656 = 8,558,656/x
3. Step 3: Cross multiply
   3,933,236x = 8,558,656 × 8,558,656
4. Step 4: Simplify right side
   3,933,236x = 73,250,592,526,336
5. Step 5: Solve for x
   x = 73,250,592,526,336/3,933,236
6. Step 6: Final answer
   x = 18,623,492.85