Finding the Third Proportional to 286,092 and 388,104.75

Step by Step Solution

1. Step 1: Write the proportion equation
   286,092 : 388,104.75 = 388,104.75 : x
2. Step 2: Convert to fraction form
   286,092/388,104.75 = 388,104.75/x
3. Step 3: Cross multiply
   286,092x = 388,104.75 × 388,104.75
4. Step 4: Simplify right side
   286,092x = 150,625,296,972.56
5. Step 5: Solve for x
   x = 150,625,296,972.56/286,092
6. Step 6: Final answer
   x = 526,492.52