Finding the Third Proportional to 816,516 and 1,773,242

Step by Step Solution

1. Step 1: Write the proportion equation
   816,516 : 1,773,242 = 1,773,242 : x
2. Step 2: Convert to fraction form
   816,516/1,773,242 = 1,773,242/x
3. Step 3: Cross multiply
   816,516x = 1,773,242 × 1,773,242
4. Step 4: Simplify right side
   816,516x = 3,144,387,190,564
5. Step 5: Solve for x
   x = 3,144,387,190,564/816,516
6. Step 6: Final answer
   x = 3,850,980.50