Finding the Third Proportional to 30,810 and 49,603.31

Step by Step Solution

1. Step 1: Write the proportion equation
   30,810 : 49,603.31 = 49,603.31 : x
2. Step 2: Convert to fraction form
   30,810/49,603.31 = 49,603.31/x
3. Step 3: Cross multiply
   30,810x = 49,603.31 × 49,603.31
4. Step 4: Simplify right side
   30,810x = 2,460,488,610.97
5. Step 5: Solve for x
   x = 2,460,488,610.97/30,810
6. Step 6: Final answer
   x = 79,860.07