Finding the Third Proportional to 1,392 and 1,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392 : 1,888.50 = 1,888.50 : x
2. Step 2: Convert to fraction form
   1,392/1,888.50 = 1,888.50/x
3. Step 3: Cross multiply
   1,392x = 1,888.50 × 1,888.50
4. Step 4: Simplify right side
   1,392x = 3,566,432.25
5. Step 5: Solve for x
   x = 3,566,432.25/1,392
6. Step 6: Final answer
   x = 2,562.09