Finding the Third Proportional to 4,505,256 and 9,803,664

Step by Step Solution

1. Step 1: Write the proportion equation
   4,505,256 : 9,803,664 = 9,803,664 : x
2. Step 2: Convert to fraction form
   4,505,256/9,803,664 = 9,803,664/x
3. Step 3: Cross multiply
   4,505,256x = 9,803,664 × 9,803,664
4. Step 4: Simplify right side
   4,505,256x = 96,111,827,824,896
5. Step 5: Solve for x
   x = 96,111,827,824,896/4,505,256
6. Step 6: Final answer
   x = 21,333,266.71