Finding the Third Proportional to 496,870 and 702,392

Step by Step Solution

1. Step 1: Write the proportion equation
   496,870 : 702,392 = 702,392 : x
2. Step 2: Convert to fraction form
   496,870/702,392 = 702,392/x
3. Step 3: Cross multiply
   496,870x = 702,392 × 702,392
4. Step 4: Simplify right side
   496,870x = 493,354,521,664
5. Step 5: Solve for x
   x = 493,354,521,664/496,870
6. Step 6: Final answer
   x = 992,924.75