Finding the Third Proportional to 4,216,256 and 9,072,070

Step by Step Solution

1. Step 1: Write the proportion equation
   4,216,256 : 9,072,070 = 9,072,070 : x
2. Step 2: Convert to fraction form
   4,216,256/9,072,070 = 9,072,070/x
3. Step 3: Cross multiply
   4,216,256x = 9,072,070 × 9,072,070
4. Step 4: Simplify right side
   4,216,256x = 82,302,454,084,900
5. Step 5: Solve for x
   x = 82,302,454,084,900/4,216,256
6. Step 6: Final answer
   x = 19,520,269.66