Finding the Third Proportional to 1,607.25 and 3,503.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607.25 : 3,503.75 = 3,503.75 : x
2. Step 2: Convert to fraction form
   1,607.25/3,503.75 = 3,503.75/x
3. Step 3: Cross multiply
   1,607.25x = 3,503.75 × 3,503.75
4. Step 4: Simplify right side
   1,607.25x = 12,276,264.06
5. Step 5: Solve for x
   x = 12,276,264.06/1,607.25
6. Step 6: Final answer
   x = 7,638.06