Finding the Third Proportional to 74,955.50 and 113,968

Step by Step Solution

1. Step 1: Write the proportion equation
   74,955.50 : 113,968 = 113,968 : x
2. Step 2: Convert to fraction form
   74,955.50/113,968 = 113,968/x
3. Step 3: Cross multiply
   74,955.50x = 113,968 × 113,968
4. Step 4: Simplify right side
   74,955.50x = 12,988,705,024
5. Step 5: Solve for x
   x = 12,988,705,024/74,955.50
6. Step 6: Final answer
   x = 173,285.55