Finding the Third Proportional to 30,348.42 and 45,945.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,348.42 : 45,945.98 = 45,945.98 : x
2. Step 2: Convert to fraction form
   30,348.42/45,945.98 = 45,945.98/x
3. Step 3: Cross multiply
   30,348.42x = 45,945.98 × 45,945.98
4. Step 4: Simplify right side
   30,348.42x = 2,111,033,480.19
5. Step 5: Solve for x
   x = 2,111,033,480.19/30,348.42
6. Step 6: Final answer
   x = 69,559.91