Finding the Third Proportional to 296,235 and 423,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,235 : 423,319.50 = 423,319.50 : x
2. Step 2: Convert to fraction form
   296,235/423,319.50 = 423,319.50/x
3. Step 3: Cross multiply
   296,235x = 423,319.50 × 423,319.50
4. Step 4: Simplify right side
   296,235x = 179,199,399,080.25
5. Step 5: Solve for x
   x = 179,199,399,080.25/296,235
6. Step 6: Final answer
   x = 604,923.12