Finding the Third Proportional to 815,868 and 1,767,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   815,868 : 1,767,329.50 = 1,767,329.50 : x
2. Step 2: Convert to fraction form
   815,868/1,767,329.50 = 1,767,329.50/x
3. Step 3: Cross multiply
   815,868x = 1,767,329.50 × 1,767,329.50
4. Step 4: Simplify right side
   815,868x = 3,123,453,561,570.25
5. Step 5: Solve for x
   x = 3,123,453,561,570.25/815,868
6. Step 6: Final answer
   x = 3,828,381.01