Finding the Third Proportional to 175,036.50 and 356,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   175,036.50 : 356,494.50 = 356,494.50 : x
2. Step 2: Convert to fraction form
   175,036.50/356,494.50 = 356,494.50/x
3. Step 3: Cross multiply
   175,036.50x = 356,494.50 × 356,494.50
4. Step 4: Simplify right side
   175,036.50x = 127,088,328,530.25
5. Step 5: Solve for x
   x = 127,088,328,530.25/175,036.50
6. Step 6: Final answer
   x = 726,067.58