Finding the Third Proportional to 1,307.50 and 1,890.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307.50 : 1,890.38 = 1,890.38 : x
2. Step 2: Convert to fraction form
   1,307.50/1,890.38 = 1,890.38/x
3. Step 3: Cross multiply
   1,307.50x = 1,890.38 × 1,890.38
4. Step 4: Simplify right side
   1,307.50x = 3,573,517.64
5. Step 5: Solve for x
   x = 3,573,517.64/1,307.50
6. Step 6: Final answer
   x = 2,733.09