Finding the Third Proportional to 72,561 and 112,076

Step by Step Solution

1. Step 1: Write the proportion equation
   72,561 : 112,076 = 112,076 : x
2. Step 2: Convert to fraction form
   72,561/112,076 = 112,076/x
3. Step 3: Cross multiply
   72,561x = 112,076 × 112,076
4. Step 4: Simplify right side
   72,561x = 12,561,029,776
5. Step 5: Solve for x
   x = 12,561,029,776/72,561
6. Step 6: Final answer
   x = 173,109.93