Finding the Third Proportional to 1,858.50 and 4,079.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.50 : 4,079.25 = 4,079.25 : x
2. Step 2: Convert to fraction form
   1,858.50/4,079.25 = 4,079.25/x
3. Step 3: Cross multiply
   1,858.50x = 4,079.25 × 4,079.25
4. Step 4: Simplify right side
   1,858.50x = 16,640,280.56
5. Step 5: Solve for x
   x = 16,640,280.56/1,858.50
6. Step 6: Final answer
   x = 8,953.61