Finding the Third Proportional to 4,216,258 and 9,072,074

Step by Step Solution

1. Step 1: Write the proportion equation
   4,216,258 : 9,072,074 = 9,072,074 : x
2. Step 2: Convert to fraction form
   4,216,258/9,072,074 = 9,072,074/x
3. Step 3: Cross multiply
   4,216,258x = 9,072,074 × 9,072,074
4. Step 4: Simplify right side
   4,216,258x = 82,302,526,661,476
5. Step 5: Solve for x
   x = 82,302,526,661,476/4,216,258
6. Step 6: Final answer
   x = 19,520,277.62