Finding the Third Proportional to 7,990.50 and 17,438.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,990.50 : 17,438.25 = 17,438.25 : x
2. Step 2: Convert to fraction form
   7,990.50/17,438.25 = 17,438.25/x
3. Step 3: Cross multiply
   7,990.50x = 17,438.25 × 17,438.25
4. Step 4: Simplify right side
   7,990.50x = 304,092,563.06
5. Step 5: Solve for x
   x = 304,092,563.06/7,990.50
6. Step 6: Final answer
   x = 38,056.76