Finding the Third Proportional to 63,123 and 136,086

Step by Step Solution

1. Step 1: Write the proportion equation
   63,123 : 136,086 = 136,086 : x
2. Step 2: Convert to fraction form
   63,123/136,086 = 136,086/x
3. Step 3: Cross multiply
   63,123x = 136,086 × 136,086
4. Step 4: Simplify right side
   63,123x = 18,519,399,396
5. Step 5: Solve for x
   x = 18,519,399,396/63,123
6. Step 6: Final answer
   x = 293,385.92