Finding the Third Proportional to 815,782.50 and 1,749,663

Step by Step Solution

1. Step 1: Write the proportion equation
   815,782.50 : 1,749,663 = 1,749,663 : x
2. Step 2: Convert to fraction form
   815,782.50/1,749,663 = 1,749,663/x
3. Step 3: Cross multiply
   815,782.50x = 1,749,663 × 1,749,663
4. Step 4: Simplify right side
   815,782.50x = 3,061,320,613,569
5. Step 5: Solve for x
   x = 3,061,320,613,569/815,782.50
6. Step 6: Final answer
   x = 3,752,618.64