Finding the Third Proportional to 57,628.13 and 85,606.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,628.13 : 85,606.88 = 85,606.88 : x
2. Step 2: Convert to fraction form
   57,628.13/85,606.88 = 85,606.88/x
3. Step 3: Cross multiply
   57,628.13x = 85,606.88 × 85,606.88
4. Step 4: Simplify right side
   57,628.13x = 7,328,537,047.27
5. Step 5: Solve for x
   x = 7,328,537,047.27/57,628.13
6. Step 6: Final answer
   x = 127,169.45