Finding the Third Proportional to 238,303.50 and 349,436.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,303.50 : 349,436.25 = 349,436.25 : x
2. Step 2: Convert to fraction form
   238,303.50/349,436.25 = 349,436.25/x
3. Step 3: Cross multiply
   238,303.50x = 349,436.25 × 349,436.25
4. Step 4: Simplify right side
   238,303.50x = 122,105,692,814.06
5. Step 5: Solve for x
   x = 122,105,692,814.06/238,303.50
6. Step 6: Final answer
   x = 512,395.72