Finding the Third Proportional to 128,833.50 and 276,714

Step by Step Solution

1. Step 1: Write the proportion equation
   128,833.50 : 276,714 = 276,714 : x
2. Step 2: Convert to fraction form
   128,833.50/276,714 = 276,714/x
3. Step 3: Cross multiply
   128,833.50x = 276,714 × 276,714
4. Step 4: Simplify right side
   128,833.50x = 76,570,637,796
5. Step 5: Solve for x
   x = 76,570,637,796/128,833.50
6. Step 6: Final answer
   x = 594,337.95