Finding the Third Proportional to 72,355.50 and 113,166

Step by Step Solution

1. Step 1: Write the proportion equation
   72,355.50 : 113,166 = 113,166 : x
2. Step 2: Convert to fraction form
   72,355.50/113,166 = 113,166/x
3. Step 3: Cross multiply
   72,355.50x = 113,166 × 113,166
4. Step 4: Simplify right side
   72,355.50x = 12,806,543,556
5. Step 5: Solve for x
   x = 12,806,543,556/72,355.50
6. Step 6: Final answer
   x = 176,994.75