Finding the Third Proportional to 819,506 and 1,231,635

Step by Step Solution

1. Step 1: Write the proportion equation
   819,506 : 1,231,635 = 1,231,635 : x
2. Step 2: Convert to fraction form
   819,506/1,231,635 = 1,231,635/x
3. Step 3: Cross multiply
   819,506x = 1,231,635 × 1,231,635
4. Step 4: Simplify right side
   819,506x = 1,516,924,773,225
5. Step 5: Solve for x
   x = 1,516,924,773,225/819,506
6. Step 6: Final answer
   x = 1,851,023.39