Finding the Third Proportional to 452.88 and 607.69

Step by Step Solution

1. Step 1: Write the proportion equation
   452.88 : 607.69 = 607.69 : x
2. Step 2: Convert to fraction form
   452.88/607.69 = 607.69/x
3. Step 3: Cross multiply
   452.88x = 607.69 × 607.69
4. Step 4: Simplify right side
   452.88x = 369,284.10
5. Step 5: Solve for x
   x = 369,284.10/452.88
6. Step 6: Final answer
   x = 815.42