Finding the Third Proportional to 31,628 and 49,359

Step by Step Solution

1. Step 1: Write the proportion equation
   31,628 : 49,359 = 49,359 : x
2. Step 2: Convert to fraction form
   31,628/49,359 = 49,359/x
3. Step 3: Cross multiply
   31,628x = 49,359 × 49,359
4. Step 4: Simplify right side
   31,628x = 2,436,310,881
5. Step 5: Solve for x
   x = 2,436,310,881/31,628
6. Step 6: Final answer
   x = 77,030.19