Finding the Third Proportional to 815,724 and 1,771,596

Step by Step Solution

1. Step 1: Write the proportion equation
   815,724 : 1,771,596 = 1,771,596 : x
2. Step 2: Convert to fraction form
   815,724/1,771,596 = 1,771,596/x
3. Step 3: Cross multiply
   815,724x = 1,771,596 × 1,771,596
4. Step 4: Simplify right side
   815,724x = 3,138,552,387,216
5. Step 5: Solve for x
   x = 3,138,552,387,216/815,724
6. Step 6: Final answer
   x = 3,847,566.56