Finding the Third Proportional to 67,900.50 and 149,172

Step by Step Solution

1. Step 1: Write the proportion equation
   67,900.50 : 149,172 = 149,172 : x
2. Step 2: Convert to fraction form
   67,900.50/149,172 = 149,172/x
3. Step 3: Cross multiply
   67,900.50x = 149,172 × 149,172
4. Step 4: Simplify right side
   67,900.50x = 22,252,285,584
5. Step 5: Solve for x
   x = 22,252,285,584/67,900.50
6. Step 6: Final answer
   x = 327,719.02