Finding the Third Proportional to 208,314 and 448,272

Step by Step Solution

1. Step 1: Write the proportion equation
   208,314 : 448,272 = 448,272 : x
2. Step 2: Convert to fraction form
   208,314/448,272 = 448,272/x
3. Step 3: Cross multiply
   208,314x = 448,272 × 448,272
4. Step 4: Simplify right side
   208,314x = 200,947,785,984
5. Step 5: Solve for x
   x = 200,947,785,984/208,314
6. Step 6: Final answer
   x = 964,638.89