Finding the Third Proportional to 82,816.50 and 131,349

Step by Step Solution

1. Step 1: Write the proportion equation
   82,816.50 : 131,349 = 131,349 : x
2. Step 2: Convert to fraction form
   82,816.50/131,349 = 131,349/x
3. Step 3: Cross multiply
   82,816.50x = 131,349 × 131,349
4. Step 4: Simplify right side
   82,816.50x = 17,252,559,801
5. Step 5: Solve for x
   x = 17,252,559,801/82,816.50
6. Step 6: Final answer
   x = 208,322.74