Finding the Third Proportional to 113,902 and 250,123

Step by Step Solution

1. Step 1: Write the proportion equation
   113,902 : 250,123 = 250,123 : x
2. Step 2: Convert to fraction form
   113,902/250,123 = 250,123/x
3. Step 3: Cross multiply
   113,902x = 250,123 × 250,123
4. Step 4: Simplify right side
   113,902x = 62,561,515,129
5. Step 5: Solve for x
   x = 62,561,515,129/113,902
6. Step 6: Final answer
   x = 549,257.39