Finding the Third Proportional to 371,499.75 and 814,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,499.75 : 814,198.50 = 814,198.50 : x
2. Step 2: Convert to fraction form
   371,499.75/814,198.50 = 814,198.50/x
3. Step 3: Cross multiply
   371,499.75x = 814,198.50 × 814,198.50
4. Step 4: Simplify right side
   371,499.75x = 662,919,197,402.25
5. Step 5: Solve for x
   x = 662,919,197,402.25/371,499.75
6. Step 6: Final answer
   x = 1,784,440.49