Finding the Third Proportional to 43,483.71 and 57,699.21

Step by Step Solution

1. Step 1: Write the proportion equation
   43,483.71 : 57,699.21 = 57,699.21 : x
2. Step 2: Convert to fraction form
   43,483.71/57,699.21 = 57,699.21/x
3. Step 3: Cross multiply
   43,483.71x = 57,699.21 × 57,699.21
4. Step 4: Simplify right side
   43,483.71x = 3,329,198,942.81
5. Step 5: Solve for x
   x = 3,329,198,942.81/43,483.71
6. Step 6: Final answer
   x = 76,561.98