Finding the Third Proportional to 74,930.50 and 113,190

Step by Step Solution

1. Step 1: Write the proportion equation
   74,930.50 : 113,190 = 113,190 : x
2. Step 2: Convert to fraction form
   74,930.50/113,190 = 113,190/x
3. Step 3: Cross multiply
   74,930.50x = 113,190 × 113,190
4. Step 4: Simplify right side
   74,930.50x = 12,811,976,100
5. Step 5: Solve for x
   x = 12,811,976,100/74,930.50
6. Step 6: Final answer
   x = 170,984.79