Finding the Third Proportional to 31,152 and 49,332

Step by Step Solution

1. Step 1: Write the proportion equation
   31,152 : 49,332 = 49,332 : x
2. Step 2: Convert to fraction form
   31,152/49,332 = 49,332/x
3. Step 3: Cross multiply
   31,152x = 49,332 × 49,332
4. Step 4: Simplify right side
   31,152x = 2,433,646,224
5. Step 5: Solve for x
   x = 2,433,646,224/31,152
6. Step 6: Final answer
   x = 78,121.67