Finding the Third Proportional to 39,646.13 and 57,798.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,646.13 : 57,798.56 = 57,798.56 : x
2. Step 2: Convert to fraction form
   39,646.13/57,798.56 = 57,798.56/x
3. Step 3: Cross multiply
   39,646.13x = 57,798.56 × 57,798.56
4. Step 4: Simplify right side
   39,646.13x = 3,340,673,827.07
5. Step 5: Solve for x
   x = 3,340,673,827.07/39,646.13
6. Step 6: Final answer
   x = 84,262.30