Finding the Third Proportional to 7,090.03 and 16,688.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,090.03 : 16,688.53 = 16,688.53 : x
2. Step 2: Convert to fraction form
   7,090.03/16,688.53 = 16,688.53/x
3. Step 3: Cross multiply
   7,090.03x = 16,688.53 × 16,688.53
4. Step 4: Simplify right side
   7,090.03x = 278,507,075.28
5. Step 5: Solve for x
   x = 278,507,075.28/7,090.03
6. Step 6: Final answer
   x = 39,281.50