Finding the Third Proportional to 390,019.50 and 835,092

Step by Step Solution

1. Step 1: Write the proportion equation
   390,019.50 : 835,092 = 835,092 : x
2. Step 2: Convert to fraction form
   390,019.50/835,092 = 835,092/x
3. Step 3: Cross multiply
   390,019.50x = 835,092 × 835,092
4. Step 4: Simplify right side
   390,019.50x = 697,378,648,464
5. Step 5: Solve for x
   x = 697,378,648,464/390,019.50
6. Step 6: Final answer
   x = 1,788,060.98