Finding the Third Proportional to 67,916 and 147,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,916 : 147,508.50 = 147,508.50 : x
2. Step 2: Convert to fraction form
   67,916/147,508.50 = 147,508.50/x
3. Step 3: Cross multiply
   67,916x = 147,508.50 × 147,508.50
4. Step 4: Simplify right side
   67,916x = 21,758,757,572.25
5. Step 5: Solve for x
   x = 21,758,757,572.25/67,916
6. Step 6: Final answer
   x = 320,377.49