Finding the Third Proportional to 1,885.50 and 4,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.50 : 4,140 = 4,140 : x
2. Step 2: Convert to fraction form
   1,885.50/4,140 = 4,140/x
3. Step 3: Cross multiply
   1,885.50x = 4,140 × 4,140
4. Step 4: Simplify right side
   1,885.50x = 17,139,600
5. Step 5: Solve for x
   x = 17,139,600/1,885.50
6. Step 6: Final answer
   x = 9,090.21