Finding the Third Proportional to 40,119 and 56,086

Step by Step Solution

1. Step 1: Write the proportion equation
   40,119 : 56,086 = 56,086 : x
2. Step 2: Convert to fraction form
   40,119/56,086 = 56,086/x
3. Step 3: Cross multiply
   40,119x = 56,086 × 56,086
4. Step 4: Simplify right side
   40,119x = 3,145,639,396
5. Step 5: Solve for x
   x = 3,145,639,396/40,119
6. Step 6: Final answer
   x = 78,407.72