Finding the Third Proportional to 39,650.63 and 56,991.94

Step by Step Solution

1. Step 1: Write the proportion equation
   39,650.63 : 56,991.94 = 56,991.94 : x
2. Step 2: Convert to fraction form
   39,650.63/56,991.94 = 56,991.94/x
3. Step 3: Cross multiply
   39,650.63x = 56,991.94 × 56,991.94
4. Step 4: Simplify right side
   39,650.63x = 3,248,080,940.00
5. Step 5: Solve for x
   x = 3,248,080,940.00/39,650.63
6. Step 6: Final answer
   x = 81,917.52