Finding the Third Proportional to 133,984 and 278,993.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,984 : 278,993.50 = 278,993.50 : x
2. Step 2: Convert to fraction form
   133,984/278,993.50 = 278,993.50/x
3. Step 3: Cross multiply
   133,984x = 278,993.50 × 278,993.50
4. Step 4: Simplify right side
   133,984x = 77,837,373,042.25
5. Step 5: Solve for x
   x = 77,837,373,042.25/133,984
6. Step 6: Final answer
   x = 580,945.28