Finding the Third Proportional to 133,982 and 213,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,982 : 213,273.50 = 213,273.50 : x
2. Step 2: Convert to fraction form
   133,982/213,273.50 = 213,273.50/x
3. Step 3: Cross multiply
   133,982x = 213,273.50 × 213,273.50
4. Step 4: Simplify right side
   133,982x = 45,485,585,802.25
5. Step 5: Solve for x
   x = 45,485,585,802.25/133,982
6. Step 6: Final answer
   x = 339,490.27