Finding the Third Proportional to 72,358 and 113,169

Step by Step Solution

1. Step 1: Write the proportion equation
   72,358 : 113,169 = 113,169 : x
2. Step 2: Convert to fraction form
   72,358/113,169 = 113,169/x
3. Step 3: Cross multiply
   72,358x = 113,169 × 113,169
4. Step 4: Simplify right side
   72,358x = 12,807,222,561
5. Step 5: Solve for x
   x = 12,807,222,561/72,358
6. Step 6: Final answer
   x = 176,998.02