Finding the Third Proportional to 136,756 and 287,334

Step by Step Solution

1. Step 1: Write the proportion equation
   136,756 : 287,334 = 287,334 : x
2. Step 2: Convert to fraction form
   136,756/287,334 = 287,334/x
3. Step 3: Cross multiply
   136,756x = 287,334 × 287,334
4. Step 4: Simplify right side
   136,756x = 82,560,827,556
5. Step 5: Solve for x
   x = 82,560,827,556/136,756
6. Step 6: Final answer
   x = 603,709.00