Finding the Third Proportional to 191,387.25 and 447,030

Step by Step Solution

1. Step 1: Write the proportion equation
   191,387.25 : 447,030 = 447,030 : x
2. Step 2: Convert to fraction form
   191,387.25/447,030 = 447,030/x
3. Step 3: Cross multiply
   191,387.25x = 447,030 × 447,030
4. Step 4: Simplify right side
   191,387.25x = 199,835,820,900
5. Step 5: Solve for x
   x = 199,835,820,900/191,387.25
6. Step 6: Final answer
   x = 1,044,143.85