Finding the Third Proportional to 1,428.38 and 2,088.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428.38 : 2,088.94 = 2,088.94 : x
2. Step 2: Convert to fraction form
   1,428.38/2,088.94 = 2,088.94/x
3. Step 3: Cross multiply
   1,428.38x = 2,088.94 × 2,088.94
4. Step 4: Simplify right side
   1,428.38x = 4,363,659.88
5. Step 5: Solve for x
   x = 4,363,659.88/1,428.38
6. Step 6: Final answer
   x = 3,054.98