Finding the Third Proportional to 1,890.84 and 2,824.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.84 : 2,824.88 = 2,824.88 : x
2. Step 2: Convert to fraction form
   1,890.84/2,824.88 = 2,824.88/x
3. Step 3: Cross multiply
   1,890.84x = 2,824.88 × 2,824.88
4. Step 4: Simplify right side
   1,890.84x = 7,979,918.77
5. Step 5: Solve for x
   x = 7,979,918.77/1,890.84
6. Step 6: Final answer
   x = 4,220.30