Finding the Third Proportional to 38,953.80 and 55,699.09

Step by Step Solution

1. Step 1: Write the proportion equation
   38,953.80 : 55,699.09 = 55,699.09 : x
2. Step 2: Convert to fraction form
   38,953.80/55,699.09 = 55,699.09/x
3. Step 3: Cross multiply
   38,953.80x = 55,699.09 × 55,699.09
4. Step 4: Simplify right side
   38,953.80x = 3,102,388,446.24
5. Step 5: Solve for x
   x = 3,102,388,446.24/38,953.80
6. Step 6: Final answer
   x = 79,642.76