Finding the Third Proportional to 81,234 and 164,700

Step by Step Solution

1. Step 1: Write the proportion equation
   81,234 : 164,700 = 164,700 : x
2. Step 2: Convert to fraction form
   81,234/164,700 = 164,700/x
3. Step 3: Cross multiply
   81,234x = 164,700 × 164,700
4. Step 4: Simplify right side
   81,234x = 27,126,090,000
5. Step 5: Solve for x
   x = 27,126,090,000/81,234
6. Step 6: Final answer
   x = 333,925.33