Finding the Third Proportional to 30,243.50 and 45,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,243.50 : 45,395.50 = 45,395.50 : x
2. Step 2: Convert to fraction form
   30,243.50/45,395.50 = 45,395.50/x
3. Step 3: Cross multiply
   30,243.50x = 45,395.50 × 45,395.50
4. Step 4: Simplify right side
   30,243.50x = 2,060,751,420.25
5. Step 5: Solve for x
   x = 2,060,751,420.25/30,243.50
6. Step 6: Final answer
   x = 68,138.66