Finding the Third Proportional to 1,876.50 and 4,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.50 : 4,428 = 4,428 : x
2. Step 2: Convert to fraction form
   1,876.50/4,428 = 4,428/x
3. Step 3: Cross multiply
   1,876.50x = 4,428 × 4,428
4. Step 4: Simplify right side
   1,876.50x = 19,607,184
5. Step 5: Solve for x
   x = 19,607,184/1,876.50
6. Step 6: Final answer
   x = 10,448.81