Finding the Third Proportional to 222,573 and 471,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,573 : 471,631.50 = 471,631.50 : x
2. Step 2: Convert to fraction form
   222,573/471,631.50 = 471,631.50/x
3. Step 3: Cross multiply
   222,573x = 471,631.50 × 471,631.50
4. Step 4: Simplify right side
   222,573x = 222,436,271,792.25
5. Step 5: Solve for x
   x = 222,436,271,792.25/222,573
6. Step 6: Final answer
   x = 999,385.69