Finding the Third Proportional to 21,118.50 and 37,541.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,118.50 : 37,541.25 = 37,541.25 : x
2. Step 2: Convert to fraction form
   21,118.50/37,541.25 = 37,541.25/x
3. Step 3: Cross multiply
   21,118.50x = 37,541.25 × 37,541.25
4. Step 4: Simplify right side
   21,118.50x = 1,409,345,451.56
5. Step 5: Solve for x
   x = 1,409,345,451.56/21,118.50
6. Step 6: Final answer
   x = 66,735.11