Finding the Third Proportional to 67,910.91 and 147,508.59

Step by Step Solution

1. Step 1: Write the proportion equation
   67,910.91 : 147,508.59 = 147,508.59 : x
2. Step 2: Convert to fraction form
   67,910.91/147,508.59 = 147,508.59/x
3. Step 3: Cross multiply
   67,910.91x = 147,508.59 × 147,508.59
4. Step 4: Simplify right side
   67,910.91x = 21,758,785,230.10
5. Step 5: Solve for x
   x = 21,758,785,230.10/67,910.91
6. Step 6: Final answer
   x = 320,401.93