Finding the Third Proportional to 134,017.50 and 279,060

Step by Step Solution

1. Step 1: Write the proportion equation
   134,017.50 : 279,060 = 279,060 : x
2. Step 2: Convert to fraction form
   134,017.50/279,060 = 279,060/x
3. Step 3: Cross multiply
   134,017.50x = 279,060 × 279,060
4. Step 4: Simplify right side
   134,017.50x = 77,874,483,600
5. Step 5: Solve for x
   x = 77,874,483,600/134,017.50
6. Step 6: Final answer
   x = 581,076.98