Finding the Third Proportional to 5,954,458 and 12,917,123

Step by Step Solution

1. Step 1: Write the proportion equation
   5,954,458 : 12,917,123 = 12,917,123 : x
2. Step 2: Convert to fraction form
   5,954,458/12,917,123 = 12,917,123/x
3. Step 3: Cross multiply
   5,954,458x = 12,917,123 × 12,917,123
4. Step 4: Simplify right side
   5,954,458x = 166,852,066,597,129
5. Step 5: Solve for x
   x = 166,852,066,597,129/5,954,458
6. Step 6: Final answer
   x = 28,021,369.30