Finding the Third Proportional to 67,475.25 and 145,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,475.25 : 145,166.50 = 145,166.50 : x
2. Step 2: Convert to fraction form
   67,475.25/145,166.50 = 145,166.50/x
3. Step 3: Cross multiply
   67,475.25x = 145,166.50 × 145,166.50
4. Step 4: Simplify right side
   67,475.25x = 21,073,312,722.25
5. Step 5: Solve for x
   x = 21,073,312,722.25/67,475.25
6. Step 6: Final answer
   x = 312,311.74