Finding the Third Proportional to 189,926 and 443,710

Step by Step Solution

1. Step 1: Write the proportion equation
   189,926 : 443,710 = 443,710 : x
2. Step 2: Convert to fraction form
   189,926/443,710 = 443,710/x
3. Step 3: Cross multiply
   189,926x = 443,710 × 443,710
4. Step 4: Simplify right side
   189,926x = 196,878,564,100
5. Step 5: Solve for x
   x = 196,878,564,100/189,926
6. Step 6: Final answer
   x = 1,036,606.70