Finding the Third Proportional to 72,457 and 112,099

Step by Step Solution

1. Step 1: Write the proportion equation
   72,457 : 112,099 = 112,099 : x
2. Step 2: Convert to fraction form
   72,457/112,099 = 112,099/x
3. Step 3: Cross multiply
   72,457x = 112,099 × 112,099
4. Step 4: Simplify right side
   72,457x = 12,566,185,801
5. Step 5: Solve for x
   x = 12,566,185,801/72,457
6. Step 6: Final answer
   x = 173,429.56