Finding the Third Proportional to 814,414.50 and 1,788,345

Step by Step Solution

1. Step 1: Write the proportion equation
   814,414.50 : 1,788,345 = 1,788,345 : x
2. Step 2: Convert to fraction form
   814,414.50/1,788,345 = 1,788,345/x
3. Step 3: Cross multiply
   814,414.50x = 1,788,345 × 1,788,345
4. Step 4: Simplify right side
   814,414.50x = 3,198,177,839,025
5. Step 5: Solve for x
   x = 3,198,177,839,025/814,414.50
6. Step 6: Final answer
   x = 3,926,965.74