Finding the Third Proportional to 813,765 and 1,739,636

Step by Step Solution

1. Step 1: Write the proportion equation
   813,765 : 1,739,636 = 1,739,636 : x
2. Step 2: Convert to fraction form
   813,765/1,739,636 = 1,739,636/x
3. Step 3: Cross multiply
   813,765x = 1,739,636 × 1,739,636
4. Step 4: Simplify right side
   813,765x = 3,026,333,412,496
5. Step 5: Solve for x
   x = 3,026,333,412,496/813,765
6. Step 6: Final answer
   x = 3,718,927.96