Finding the Third Proportional to 816,217 and 1,731,242

Step by Step Solution

1. Step 1: Write the proportion equation
   816,217 : 1,731,242 = 1,731,242 : x
2. Step 2: Convert to fraction form
   816,217/1,731,242 = 1,731,242/x
3. Step 3: Cross multiply
   816,217x = 1,731,242 × 1,731,242
4. Step 4: Simplify right side
   816,217x = 2,997,198,862,564
5. Step 5: Solve for x
   x = 2,997,198,862,564/816,217
6. Step 6: Final answer
   x = 3,672,061.31