Finding the Third Proportional to 55,255.92 and 83,345.20

Step by Step Solution

1. Step 1: Write the proportion equation
   55,255.92 : 83,345.20 = 83,345.20 : x
2. Step 2: Convert to fraction form
   55,255.92/83,345.20 = 83,345.20/x
3. Step 3: Cross multiply
   55,255.92x = 83,345.20 × 83,345.20
4. Step 4: Simplify right side
   55,255.92x = 6,946,422,883.95
5. Step 5: Solve for x
   x = 6,946,422,883.95/55,255.92
6. Step 6: Final answer
   x = 125,713.64