Finding the Third Proportional to 39,646.13 and 53,817.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,646.13 : 53,817.75 = 53,817.75 : x
2. Step 2: Convert to fraction form
   39,646.13/53,817.75 = 53,817.75/x
3. Step 3: Cross multiply
   39,646.13x = 53,817.75 × 53,817.75
4. Step 4: Simplify right side
   39,646.13x = 2,896,350,215.06
5. Step 5: Solve for x
   x = 2,896,350,215.06/39,646.13
6. Step 6: Final answer
   x = 73,055.06