Finding the Third Proportional to 39,749.63 and 53,976.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,749.63 : 53,976.94 = 53,976.94 : x
2. Step 2: Convert to fraction form
   39,749.63/53,976.94 = 53,976.94/x
3. Step 3: Cross multiply
   39,749.63x = 53,976.94 × 53,976.94
4. Step 4: Simplify right side
   39,749.63x = 2,913,509,781.88
5. Step 5: Solve for x
   x = 2,913,509,781.88/39,749.63
6. Step 6: Final answer
   x = 73,296.54