Finding the Third Proportional to 96,781.25 and 208,870

Step by Step Solution

1. Step 1: Write the proportion equation
   96,781.25 : 208,870 = 208,870 : x
2. Step 2: Convert to fraction form
   96,781.25/208,870 = 208,870/x
3. Step 3: Cross multiply
   96,781.25x = 208,870 × 208,870
4. Step 4: Simplify right side
   96,781.25x = 43,626,676,900
5. Step 5: Solve for x
   x = 43,626,676,900/96,781.25
6. Step 6: Final answer
   x = 450,776.13