Finding the Third Proportional to 123,103.50 and 283,629

Step by Step Solution

1. Step 1: Write the proportion equation
   123,103.50 : 283,629 = 283,629 : x
2. Step 2: Convert to fraction form
   123,103.50/283,629 = 283,629/x
3. Step 3: Cross multiply
   123,103.50x = 283,629 × 283,629
4. Step 4: Simplify right side
   123,103.50x = 80,445,409,641
5. Step 5: Solve for x
   x = 80,445,409,641/123,103.50
6. Step 6: Final answer
   x = 653,477.84