Finding the Third Proportional to 1,655.16 and 3,621.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655.16 : 3,621.94 = 3,621.94 : x
2. Step 2: Convert to fraction form
   1,655.16/3,621.94 = 3,621.94/x
3. Step 3: Cross multiply
   1,655.16x = 3,621.94 × 3,621.94
4. Step 4: Simplify right side
   1,655.16x = 13,118,431.25
5. Step 5: Solve for x
   x = 13,118,431.25/1,655.16
6. Step 6: Final answer
   x = 7,925.80