Finding the Third Proportional to 57,485 and 83,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,485 : 83,995.50 = 83,995.50 : x
2. Step 2: Convert to fraction form
   57,485/83,995.50 = 83,995.50/x
3. Step 3: Cross multiply
   57,485x = 83,995.50 × 83,995.50
4. Step 4: Simplify right side
   57,485x = 7,055,244,020.25
5. Step 5: Solve for x
   x = 7,055,244,020.25/57,485
6. Step 6: Final answer
   x = 122,731.91