Finding the Third Proportional to 65,645.63 and 73,026.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,645.63 : 73,026.75 = 73,026.75 : x
2. Step 2: Convert to fraction form
   65,645.63/73,026.75 = 73,026.75/x
3. Step 3: Cross multiply
   65,645.63x = 73,026.75 × 73,026.75
4. Step 4: Simplify right side
   65,645.63x = 5,332,906,215.56
5. Step 5: Solve for x
   x = 5,332,906,215.56/65,645.63
6. Step 6: Final answer
   x = 81,237.80