Finding the Third Proportional to 50,712 and 74,236

Step by Step Solution

1. Step 1: Write the proportion equation
   50,712 : 74,236 = 74,236 : x
2. Step 2: Convert to fraction form
   50,712/74,236 = 74,236/x
3. Step 3: Cross multiply
   50,712x = 74,236 × 74,236
4. Step 4: Simplify right side
   50,712x = 5,510,983,696
5. Step 5: Solve for x
   x = 5,510,983,696/50,712
6. Step 6: Final answer
   x = 108,672.18