Finding the Third Proportional to 815,872.50 and 1,767,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   815,872.50 : 1,767,340.50 = 1,767,340.50 : x
2. Step 2: Convert to fraction form
   815,872.50/1,767,340.50 = 1,767,340.50/x
3. Step 3: Cross multiply
   815,872.50x = 1,767,340.50 × 1,767,340.50
4. Step 4: Simplify right side
   815,872.50x = 3,123,492,442,940.25
5. Step 5: Solve for x
   x = 3,123,492,442,940.25/815,872.50
6. Step 6: Final answer
   x = 3,828,407.56