Finding the Third Proportional to 1,455.98 and 3,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.98 : 3,142.50 = 3,142.50 : x
2. Step 2: Convert to fraction form
   1,455.98/3,142.50 = 3,142.50/x
3. Step 3: Cross multiply
   1,455.98x = 3,142.50 × 3,142.50
4. Step 4: Simplify right side
   1,455.98x = 9,875,306.25
5. Step 5: Solve for x
   x = 9,875,306.25/1,455.98
6. Step 6: Final answer
   x = 6,782.56