Finding the Third Proportional to 1,693.09 and 3,620.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.09 : 3,620.95 = 3,620.95 : x
2. Step 2: Convert to fraction form
   1,693.09/3,620.95 = 3,620.95/x
3. Step 3: Cross multiply
   1,693.09x = 3,620.95 × 3,620.95
4. Step 4: Simplify right side
   1,693.09x = 13,111,301.53
5. Step 5: Solve for x
   x = 13,111,301.53/1,693.09
6. Step 6: Final answer
   x = 7,744.01