Finding the Third Proportional to 57,758.06 and 72,300.09

Step by Step Solution

1. Step 1: Write the proportion equation
   57,758.06 : 72,300.09 = 72,300.09 : x
2. Step 2: Convert to fraction form
   57,758.06/72,300.09 = 72,300.09/x
3. Step 3: Cross multiply
   57,758.06x = 72,300.09 × 72,300.09
4. Step 4: Simplify right side
   57,758.06x = 5,227,303,556.26
5. Step 5: Solve for x
   x = 5,227,303,556.26/57,758.06
6. Step 6: Final answer
   x = 90,503.44