Finding the Third Proportional to 4,234,764 and 9,230,856

Step by Step Solution

1. Step 1: Write the proportion equation
   4,234,764 : 9,230,856 = 9,230,856 : x
2. Step 2: Convert to fraction form
   4,234,764/9,230,856 = 9,230,856/x
3. Step 3: Cross multiply
   4,234,764x = 9,230,856 × 9,230,856
4. Step 4: Simplify right side
   4,234,764x = 85,208,702,492,736
5. Step 5: Solve for x
   x = 85,208,702,492,736/4,234,764
6. Step 6: Final answer
   x = 20,121,239.93