Finding the Third Proportional to 1,300.50 and 1,990.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.50 : 1,990.13 = 1,990.13 : x
2. Step 2: Convert to fraction form
   1,300.50/1,990.13 = 1,990.13/x
3. Step 3: Cross multiply
   1,300.50x = 1,990.13 × 1,990.13
4. Step 4: Simplify right side
   1,300.50x = 3,960,597.52
5. Step 5: Solve for x
   x = 3,960,597.52/1,300.50
6. Step 6: Final answer
   x = 3,045.44