Finding the Third Proportional to 208,680 and 301,448

Step by Step Solution

1. Step 1: Write the proportion equation
   208,680 : 301,448 = 301,448 : x
2. Step 2: Convert to fraction form
   208,680/301,448 = 301,448/x
3. Step 3: Cross multiply
   208,680x = 301,448 × 301,448
4. Step 4: Simplify right side
   208,680x = 90,870,896,704
5. Step 5: Solve for x
   x = 90,870,896,704/208,680
6. Step 6: Final answer
   x = 435,455.71