Finding the Third Proportional to 815,451 and 1,735,878

Step by Step Solution

1. Step 1: Write the proportion equation
   815,451 : 1,735,878 = 1,735,878 : x
2. Step 2: Convert to fraction form
   815,451/1,735,878 = 1,735,878/x
3. Step 3: Cross multiply
   815,451x = 1,735,878 × 1,735,878
4. Step 4: Simplify right side
   815,451x = 3,013,272,430,884
5. Step 5: Solve for x
   x = 3,013,272,430,884/815,451
6. Step 6: Final answer
   x = 3,695,221.95