Finding the Third Proportional to 85,943.25 and 188,478

Step by Step Solution

1. Step 1: Write the proportion equation
   85,943.25 : 188,478 = 188,478 : x
2. Step 2: Convert to fraction form
   85,943.25/188,478 = 188,478/x
3. Step 3: Cross multiply
   85,943.25x = 188,478 × 188,478
4. Step 4: Simplify right side
   85,943.25x = 35,523,956,484
5. Step 5: Solve for x
   x = 35,523,956,484/85,943.25
6. Step 6: Final answer
   x = 413,342.02