Finding the Third Proportional to 42,816.09 and 60,855.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,816.09 : 60,855.68 = 60,855.68 : x
2. Step 2: Convert to fraction form
   42,816.09/60,855.68 = 60,855.68/x
3. Step 3: Cross multiply
   42,816.09x = 60,855.68 × 60,855.68
4. Step 4: Simplify right side
   42,816.09x = 3,703,413,750.23
5. Step 5: Solve for x
   x = 3,703,413,750.23/42,816.09
6. Step 6: Final answer
   x = 86,495.83