Finding the Third Proportional to 72,658 and 112,551

Step by Step Solution

1. Step 1: Write the proportion equation
   72,658 : 112,551 = 112,551 : x
2. Step 2: Convert to fraction form
   72,658/112,551 = 112,551/x
3. Step 3: Cross multiply
   72,658x = 112,551 × 112,551
4. Step 4: Simplify right side
   72,658x = 12,667,727,601
5. Step 5: Solve for x
   x = 12,667,727,601/72,658
6. Step 6: Final answer
   x = 174,347.32