Finding the Third Proportional to 4,417,760 and 9,662,656

Step by Step Solution

1. Step 1: Write the proportion equation
   4,417,760 : 9,662,656 = 9,662,656 : x
2. Step 2: Convert to fraction form
   4,417,760/9,662,656 = 9,662,656/x
3. Step 3: Cross multiply
   4,417,760x = 9,662,656 × 9,662,656
4. Step 4: Simplify right side
   4,417,760x = 93,366,920,974,336
5. Step 5: Solve for x
   x = 93,366,920,974,336/4,417,760
6. Step 6: Final answer
   x = 21,134,448.45