Finding the Third Proportional to 131,345 and 208,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,345 : 208,013.50 = 208,013.50 : x
2. Step 2: Convert to fraction form
   131,345/208,013.50 = 208,013.50/x
3. Step 3: Cross multiply
   131,345x = 208,013.50 × 208,013.50
4. Step 4: Simplify right side
   131,345x = 43,269,616,182.25
5. Step 5: Solve for x
   x = 43,269,616,182.25/131,345
6. Step 6: Final answer
   x = 329,434.82