Finding the Third Proportional to 8,816,112 and 13,617,216

Step by Step Solution

1. Step 1: Write the proportion equation
   8,816,112 : 13,617,216 = 13,617,216 : x
2. Step 2: Convert to fraction form
   8,816,112/13,617,216 = 13,617,216/x
3. Step 3: Cross multiply
   8,816,112x = 13,617,216 × 13,617,216
4. Step 4: Simplify right side
   8,816,112x = 185,428,571,590,656
5. Step 5: Solve for x
   x = 185,428,571,590,656/8,816,112
6. Step 6: Final answer
   x = 21,032,919.23