Finding the Third Proportional to 211,426 and 443,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   211,426 : 443,611.50 = 443,611.50 : x
2. Step 2: Convert to fraction form
   211,426/443,611.50 = 443,611.50/x
3. Step 3: Cross multiply
   211,426x = 443,611.50 × 443,611.50
4. Step 4: Simplify right side
   211,426x = 196,791,162,932.25
5. Step 5: Solve for x
   x = 196,791,162,932.25/211,426
6. Step 6: Final answer
   x = 930,780.33