Finding the Third Proportional to 4,200,927 and 8,555,946

Step by Step Solution

1. Step 1: Write the proportion equation
   4,200,927 : 8,555,946 = 8,555,946 : x
2. Step 2: Convert to fraction form
   4,200,927/8,555,946 = 8,555,946/x
3. Step 3: Cross multiply
   4,200,927x = 8,555,946 × 8,555,946
4. Step 4: Simplify right side
   4,200,927x = 73,204,211,954,916
5. Step 5: Solve for x
   x = 73,204,211,954,916/4,200,927
6. Step 6: Final answer
   x = 17,425,728.17