Finding the Third Proportional to 56,979 and 131,913

Step by Step Solution

1. Step 1: Write the proportion equation
   56,979 : 131,913 = 131,913 : x
2. Step 2: Convert to fraction form
   56,979/131,913 = 131,913/x
3. Step 3: Cross multiply
   56,979x = 131,913 × 131,913
4. Step 4: Simplify right side
   56,979x = 17,401,039,569
5. Step 5: Solve for x
   x = 17,401,039,569/56,979
6. Step 6: Final answer
   x = 305,393.91