Finding the Third Proportional to 34,103 and 72,580

Step by Step Solution

1. Step 1: Write the proportion equation
   34,103 : 72,580 = 72,580 : x
2. Step 2: Convert to fraction form
   34,103/72,580 = 72,580/x
3. Step 3: Cross multiply
   34,103x = 72,580 × 72,580
4. Step 4: Simplify right side
   34,103x = 5,267,856,400
5. Step 5: Solve for x
   x = 5,267,856,400/34,103
6. Step 6: Final answer
   x = 154,469.00