Finding the Third Proportional to 221,901 and 485,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,901 : 485,233.50 = 485,233.50 : x
2. Step 2: Convert to fraction form
   221,901/485,233.50 = 485,233.50/x
3. Step 3: Cross multiply
   221,901x = 485,233.50 × 485,233.50
4. Step 4: Simplify right side
   221,901x = 235,451,549,522.25
5. Step 5: Solve for x
   x = 235,451,549,522.25/221,901
6. Step 6: Final answer
   x = 1,061,065.74