Finding the Third Proportional to 131,516 and 200,552

Step by Step Solution

1. Step 1: Write the proportion equation
   131,516 : 200,552 = 200,552 : x
2. Step 2: Convert to fraction form
   131,516/200,552 = 200,552/x
3. Step 3: Cross multiply
   131,516x = 200,552 × 200,552
4. Step 4: Simplify right side
   131,516x = 40,221,104,704
5. Step 5: Solve for x
   x = 40,221,104,704/131,516
6. Step 6: Final answer
   x = 305,826.70