Finding the Third Proportional to 130,760 and 279,370.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,760 : 279,370.50 = 279,370.50 : x
2. Step 2: Convert to fraction form
   130,760/279,370.50 = 279,370.50/x
3. Step 3: Cross multiply
   130,760x = 279,370.50 × 279,370.50
4. Step 4: Simplify right side
   130,760x = 78,047,876,270.25
5. Step 5: Solve for x
   x = 78,047,876,270.25/130,760
6. Step 6: Final answer
   x = 596,878.83