Finding the Third Proportional to 39,457.88 and 53,162.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,457.88 : 53,162.25 = 53,162.25 : x
2. Step 2: Convert to fraction form
   39,457.88/53,162.25 = 53,162.25/x
3. Step 3: Cross multiply
   39,457.88x = 53,162.25 × 53,162.25
4. Step 4: Simplify right side
   39,457.88x = 2,826,224,825.06
5. Step 5: Solve for x
   x = 2,826,224,825.06/39,457.88
6. Step 6: Final answer
   x = 71,626.38