Finding the Third Proportional to 39,436.13 and 55,335.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,436.13 : 55,335.56 = 55,335.56 : x
2. Step 2: Convert to fraction form
   39,436.13/55,335.56 = 55,335.56/x
3. Step 3: Cross multiply
   39,436.13x = 55,335.56 × 55,335.56
4. Step 4: Simplify right side
   39,436.13x = 3,062,024,477.19
5. Step 5: Solve for x
   x = 3,062,024,477.19/39,436.13
6. Step 6: Final answer
   x = 77,645.17