Finding the Third Proportional to 815,790 and 1,749,680

Step by Step Solution

1. Step 1: Write the proportion equation
   815,790 : 1,749,680 = 1,749,680 : x
2. Step 2: Convert to fraction form
   815,790/1,749,680 = 1,749,680/x
3. Step 3: Cross multiply
   815,790x = 1,749,680 × 1,749,680
4. Step 4: Simplify right side
   815,790x = 3,061,380,102,400
5. Step 5: Solve for x
   x = 3,061,380,102,400/815,790
6. Step 6: Final answer
   x = 3,752,657.06