Finding the Third Proportional to 30,956 and 67,516

Step by Step Solution

1. Step 1: Write the proportion equation
   30,956 : 67,516 = 67,516 : x
2. Step 2: Convert to fraction form
   30,956/67,516 = 67,516/x
3. Step 3: Cross multiply
   30,956x = 67,516 × 67,516
4. Step 4: Simplify right side
   30,956x = 4,558,410,256
5. Step 5: Solve for x
   x = 4,558,410,256/30,956
6. Step 6: Final answer
   x = 147,254.50