Finding the Third Proportional to 45,574.50 and 68,991.38

Step by Step Solution

1. Step 1: Write the proportion equation
   45,574.50 : 68,991.38 = 68,991.38 : x
2. Step 2: Convert to fraction form
   45,574.50/68,991.38 = 68,991.38/x
3. Step 3: Cross multiply
   45,574.50x = 68,991.38 × 68,991.38
4. Step 4: Simplify right side
   45,574.50x = 4,759,809,824.39
5. Step 5: Solve for x
   x = 4,759,809,824.39/45,574.50
6. Step 6: Final answer
   x = 104,440.20