Finding the Third Proportional to 55,721.63 and 83,846.63

Step by Step Solution

1. Step 1: Write the proportion equation
   55,721.63 : 83,846.63 = 83,846.63 : x
2. Step 2: Convert to fraction form
   55,721.63/83,846.63 = 83,846.63/x
3. Step 3: Cross multiply
   55,721.63x = 83,846.63 × 83,846.63
4. Step 4: Simplify right side
   55,721.63x = 7,030,256,523.89
5. Step 5: Solve for x
   x = 7,030,256,523.89/55,721.63
6. Step 6: Final answer
   x = 126,167.47