Finding the Third Proportional to 52,620 and 80,496

Step by Step Solution

1. Step 1: Write the proportion equation
   52,620 : 80,496 = 80,496 : x
2. Step 2: Convert to fraction form
   52,620/80,496 = 80,496/x
3. Step 3: Cross multiply
   52,620x = 80,496 × 80,496
4. Step 4: Simplify right side
   52,620x = 6,479,606,016
5. Step 5: Solve for x
   x = 6,479,606,016/52,620
6. Step 6: Final answer
   x = 123,139.61