Finding the Third Proportional to 191,810 and 448,007

Step by Step Solution

1. Step 1: Write the proportion equation
   191,810 : 448,007 = 448,007 : x
2. Step 2: Convert to fraction form
   191,810/448,007 = 448,007/x
3. Step 3: Cross multiply
   191,810x = 448,007 × 448,007
4. Step 4: Simplify right side
   191,810x = 200,710,272,049
5. Step 5: Solve for x
   x = 200,710,272,049/191,810
6. Step 6: Final answer
   x = 1,046,401.50