Finding the Third Proportional to 208,308 and 448,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,308 : 448,165.50 = 448,165.50 : x
2. Step 2: Convert to fraction form
   208,308/448,165.50 = 448,165.50/x
3. Step 3: Cross multiply
   208,308x = 448,165.50 × 448,165.50
4. Step 4: Simplify right side
   208,308x = 200,852,315,390.25
5. Step 5: Solve for x
   x = 200,852,315,390.25/208,308
6. Step 6: Final answer
   x = 964,208.36