Finding the Third Proportional to 45,440 and 68,976.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,440 : 68,976.50 = 68,976.50 : x
2. Step 2: Convert to fraction form
   45,440/68,976.50 = 68,976.50/x
3. Step 3: Cross multiply
   45,440x = 68,976.50 × 68,976.50
4. Step 4: Simplify right side
   45,440x = 4,757,757,552.25
5. Step 5: Solve for x
   x = 4,757,757,552.25/45,440
6. Step 6: Final answer
   x = 104,704.17