Finding the Third Proportional to 10,638,728 and 23,402,896

Step by Step Solution

1. Step 1: Write the proportion equation
   10,638,728 : 23,402,896 = 23,402,896 : x
2. Step 2: Convert to fraction form
   10,638,728/23,402,896 = 23,402,896/x
3. Step 3: Cross multiply
   10,638,728x = 23,402,896 × 23,402,896
4. Step 4: Simplify right side
   10,638,728x = 547,695,541,186,816
5. Step 5: Solve for x
   x = 547,695,541,186,816/10,638,728
6. Step 6: Final answer
   x = 51,481,299.38