Finding the Third Proportional to 72,904 and 112,392

Step by Step Solution

1. Step 1: Write the proportion equation
   72,904 : 112,392 = 112,392 : x
2. Step 2: Convert to fraction form
   72,904/112,392 = 112,392/x
3. Step 3: Cross multiply
   72,904x = 112,392 × 112,392
4. Step 4: Simplify right side
   72,904x = 12,631,961,664
5. Step 5: Solve for x
   x = 12,631,961,664/72,904
6. Step 6: Final answer
   x = 173,268.43