Finding the Third Proportional to 219,270 and 472,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   219,270 : 472,378.50 = 472,378.50 : x
2. Step 2: Convert to fraction form
   219,270/472,378.50 = 472,378.50/x
3. Step 3: Cross multiply
   219,270x = 472,378.50 × 472,378.50
4. Step 4: Simplify right side
   219,270x = 223,141,447,262.25
5. Step 5: Solve for x
   x = 223,141,447,262.25/219,270
6. Step 6: Final answer
   x = 1,017,656.07