Finding the Third Proportional to 13,618.13 and 31,797.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,618.13 : 31,797.56 = 31,797.56 : x
2. Step 2: Convert to fraction form
   13,618.13/31,797.56 = 31,797.56/x
3. Step 3: Cross multiply
   13,618.13x = 31,797.56 × 31,797.56
4. Step 4: Simplify right side
   13,618.13x = 1,011,084,980.94
5. Step 5: Solve for x
   x = 1,011,084,980.94/13,618.13
6. Step 6: Final answer
   x = 74,245.54