Finding the Third Proportional to 34,980 and 52,479

Step by Step Solution

1. Step 1: Write the proportion equation
   34,980 : 52,479 = 52,479 : x
2. Step 2: Convert to fraction form
   34,980/52,479 = 52,479/x
3. Step 3: Cross multiply
   34,980x = 52,479 × 52,479
4. Step 4: Simplify right side
   34,980x = 2,754,045,441
5. Step 5: Solve for x
   x = 2,754,045,441/34,980
6. Step 6: Final answer
   x = 78,732.00