Finding the Third Proportional to 56,986 and 76,426

Step by Step Solution

1. Step 1: Write the proportion equation
   56,986 : 76,426 = 76,426 : x
2. Step 2: Convert to fraction form
   56,986/76,426 = 76,426/x
3. Step 3: Cross multiply
   56,986x = 76,426 × 76,426
4. Step 4: Simplify right side
   56,986x = 5,840,933,476
5. Step 5: Solve for x
   x = 5,840,933,476/56,986
6. Step 6: Final answer
   x = 102,497.69