Finding the Third Proportional to 840.16 and 1,303.59

Step by Step Solution

1. Step 1: Write the proportion equation
   840.16 : 1,303.59 = 1,303.59 : x
2. Step 2: Convert to fraction form
   840.16/1,303.59 = 1,303.59/x
3. Step 3: Cross multiply
   840.16x = 1,303.59 × 1,303.59
4. Step 4: Simplify right side
   840.16x = 1,699,356.67
5. Step 5: Solve for x
   x = 1,699,356.67/840.16
6. Step 6: Final answer
   x = 2,022.65