Finding the Third Proportional to 70,905 and 89,968

Step by Step Solution

1. Step 1: Write the proportion equation
   70,905 : 89,968 = 89,968 : x
2. Step 2: Convert to fraction form
   70,905/89,968 = 89,968/x
3. Step 3: Cross multiply
   70,905x = 89,968 × 89,968
4. Step 4: Simplify right side
   70,905x = 8,094,241,024
5. Step 5: Solve for x
   x = 8,094,241,024/70,905
6. Step 6: Final answer
   x = 114,156.14