Finding the Third Proportional to 10,434,816 and 13,721,733

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434,816 : 13,721,733 = 13,721,733 : x
2. Step 2: Convert to fraction form
   10,434,816/13,721,733 = 13,721,733/x
3. Step 3: Cross multiply
   10,434,816x = 13,721,733 × 13,721,733
4. Step 4: Simplify right side
   10,434,816x = 188,285,956,523,289
5. Step 5: Solve for x
   x = 188,285,956,523,289/10,434,816
6. Step 6: Final answer
   x = 18,044,013.09