Finding the Third Proportional to 21,607 and 35,281

Step by Step Solution

1. Step 1: Write the proportion equation
   21,607 : 35,281 = 35,281 : x
2. Step 2: Convert to fraction form
   21,607/35,281 = 35,281/x
3. Step 3: Cross multiply
   21,607x = 35,281 × 35,281
4. Step 4: Simplify right side
   21,607x = 1,244,748,961
5. Step 5: Solve for x
   x = 1,244,748,961/21,607
6. Step 6: Final answer
   x = 57,608.60