Finding the Third Proportional to 21,080.25 and 35,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,080.25 : 35,113.50 = 35,113.50 : x
2. Step 2: Convert to fraction form
   21,080.25/35,113.50 = 35,113.50/x
3. Step 3: Cross multiply
   21,080.25x = 35,113.50 × 35,113.50
4. Step 4: Simplify right side
   21,080.25x = 1,232,957,882.25
5. Step 5: Solve for x
   x = 1,232,957,882.25/21,080.25
6. Step 6: Final answer
   x = 58,488.77