Finding the Third Proportional to 216,612 and 475,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   216,612 : 475,069.50 = 475,069.50 : x
2. Step 2: Convert to fraction form
   216,612/475,069.50 = 475,069.50/x
3. Step 3: Cross multiply
   216,612x = 475,069.50 × 475,069.50
4. Step 4: Simplify right side
   216,612x = 225,691,029,830.25
5. Step 5: Solve for x
   x = 225,691,029,830.25/216,612
6. Step 6: Final answer
   x = 1,041,913.79