Finding the Third Proportional to 222,985.50 and 464,440.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,985.50 : 464,440.50 = 464,440.50 : x
2. Step 2: Convert to fraction form
   222,985.50/464,440.50 = 464,440.50/x
3. Step 3: Cross multiply
   222,985.50x = 464,440.50 × 464,440.50
4. Step 4: Simplify right side
   222,985.50x = 215,704,978,040.25
5. Step 5: Solve for x
   x = 215,704,978,040.25/222,985.50
6. Step 6: Final answer
   x = 967,349.80