Finding the Third Proportional to 131,387 and 200,362

Step by Step Solution

1. Step 1: Write the proportion equation
   131,387 : 200,362 = 200,362 : x
2. Step 2: Convert to fraction form
   131,387/200,362 = 200,362/x
3. Step 3: Cross multiply
   131,387x = 200,362 × 200,362
4. Step 4: Simplify right side
   131,387x = 40,144,931,044
5. Step 5: Solve for x
   x = 40,144,931,044/131,387
6. Step 6: Final answer
   x = 305,547.21