Finding the Third Proportional to 1,874.50 and 4,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.50 : 4,123 = 4,123 : x
2. Step 2: Convert to fraction form
   1,874.50/4,123 = 4,123/x
3. Step 3: Cross multiply
   1,874.50x = 4,123 × 4,123
4. Step 4: Simplify right side
   1,874.50x = 16,999,129
5. Step 5: Solve for x
   x = 16,999,129/1,874.50
6. Step 6: Final answer
   x = 9,068.62