Finding the Third Proportional to 67,621.50 and 106,074

Step by Step Solution

1. Step 1: Write the proportion equation
   67,621.50 : 106,074 = 106,074 : x
2. Step 2: Convert to fraction form
   67,621.50/106,074 = 106,074/x
3. Step 3: Cross multiply
   67,621.50x = 106,074 × 106,074
4. Step 4: Simplify right side
   67,621.50x = 11,251,693,476
5. Step 5: Solve for x
   x = 11,251,693,476/67,621.50
6. Step 6: Final answer
   x = 166,392.25