Finding the Third Proportional to 21,993.75 and 34,987.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,993.75 : 34,987.50 = 34,987.50 : x
2. Step 2: Convert to fraction form
   21,993.75/34,987.50 = 34,987.50/x
3. Step 3: Cross multiply
   21,993.75x = 34,987.50 × 34,987.50
4. Step 4: Simplify right side
   21,993.75x = 1,224,125,156.25
5. Step 5: Solve for x
   x = 1,224,125,156.25/21,993.75
6. Step 6: Final answer
   x = 55,657.86