Finding the Third Proportional to 209,695 and 448,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   209,695 : 448,777.50 = 448,777.50 : x
2. Step 2: Convert to fraction form
   209,695/448,777.50 = 448,777.50/x
3. Step 3: Cross multiply
   209,695x = 448,777.50 × 448,777.50
4. Step 4: Simplify right side
   209,695x = 201,401,244,506.25
5. Step 5: Solve for x
   x = 201,401,244,506.25/209,695
6. Step 6: Final answer
   x = 960,448.48