Finding the Third Proportional to 818,358 and 1,767,389.25

Step by Step Solution

1. Step 1: Write the proportion equation
   818,358 : 1,767,389.25 = 1,767,389.25 : x
2. Step 2: Convert to fraction form
   818,358/1,767,389.25 = 1,767,389.25/x
3. Step 3: Cross multiply
   818,358x = 1,767,389.25 × 1,767,389.25
4. Step 4: Simplify right side
   818,358x = 3,123,664,761,015.56
5. Step 5: Solve for x
   x = 3,123,664,761,015.56/818,358
6. Step 6: Final answer
   x = 3,816,990.56