Finding the Third Proportional to 30,640.15 and 45,944.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,640.15 : 45,944.72 = 45,944.72 : x
2. Step 2: Convert to fraction form
   30,640.15/45,944.72 = 45,944.72/x
3. Step 3: Cross multiply
   30,640.15x = 45,944.72 × 45,944.72
4. Step 4: Simplify right side
   30,640.15x = 2,110,917,181.02
5. Step 5: Solve for x
   x = 2,110,917,181.02/30,640.15
6. Step 6: Final answer
   x = 68,893.83