Finding the Third Proportional to 62,071.50 and 133,980

Step by Step Solution

1. Step 1: Write the proportion equation
   62,071.50 : 133,980 = 133,980 : x
2. Step 2: Convert to fraction form
   62,071.50/133,980 = 133,980/x
3. Step 3: Cross multiply
   62,071.50x = 133,980 × 133,980
4. Step 4: Simplify right side
   62,071.50x = 17,950,640,400
5. Step 5: Solve for x
   x = 17,950,640,400/62,071.50
6. Step 6: Final answer
   x = 289,192.95