Finding the Third Proportional to 67,460.50 and 145,126

Step by Step Solution

1. Step 1: Write the proportion equation
   67,460.50 : 145,126 = 145,126 : x
2. Step 2: Convert to fraction form
   67,460.50/145,126 = 145,126/x
3. Step 3: Cross multiply
   67,460.50x = 145,126 × 145,126
4. Step 4: Simplify right side
   67,460.50x = 21,061,555,876
5. Step 5: Solve for x
   x = 21,061,555,876/67,460.50
6. Step 6: Final answer
   x = 312,205.75