Finding the Third Proportional to 10,638,768 and 23,402,976

Step by Step Solution

1. Step 1: Write the proportion equation
   10,638,768 : 23,402,976 = 23,402,976 : x
2. Step 2: Convert to fraction form
   10,638,768/23,402,976 = 23,402,976/x
3. Step 3: Cross multiply
   10,638,768x = 23,402,976 × 23,402,976
4. Step 4: Simplify right side
   10,638,768x = 547,699,285,656,576
5. Step 5: Solve for x
   x = 547,699,285,656,576/10,638,768
6. Step 6: Final answer
   x = 51,481,457.78