Finding the Third Proportional to 21,997.50 and 35,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,997.50 : 35,417.50 = 35,417.50 : x
2. Step 2: Convert to fraction form
   21,997.50/35,417.50 = 35,417.50/x
3. Step 3: Cross multiply
   21,997.50x = 35,417.50 × 35,417.50
4. Step 4: Simplify right side
   21,997.50x = 1,254,399,306.25
5. Step 5: Solve for x
   x = 1,254,399,306.25/21,997.50
6. Step 6: Final answer
   x = 57,024.63