Finding the Third Proportional to 134,553.50 and 208,342

Step by Step Solution

1. Step 1: Write the proportion equation
   134,553.50 : 208,342 = 208,342 : x
2. Step 2: Convert to fraction form
   134,553.50/208,342 = 208,342/x
3. Step 3: Cross multiply
   134,553.50x = 208,342 × 208,342
4. Step 4: Simplify right side
   134,553.50x = 43,406,388,964
5. Step 5: Solve for x
   x = 43,406,388,964/134,553.50
6. Step 6: Final answer
   x = 322,595.76