Finding the Third Proportional to 45,436.50 and 68,972.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,436.50 : 68,972.25 = 68,972.25 : x
2. Step 2: Convert to fraction form
   45,436.50/68,972.25 = 68,972.25/x
3. Step 3: Cross multiply
   45,436.50x = 68,972.25 × 68,972.25
4. Step 4: Simplify right side
   45,436.50x = 4,757,171,270.06
5. Step 5: Solve for x
   x = 4,757,171,270.06/45,436.50
6. Step 6: Final answer
   x = 104,699.33