Finding the Third Proportional to 620,884 and 1,363,696

Step by Step Solution

1. Step 1: Write the proportion equation
   620,884 : 1,363,696 = 1,363,696 : x
2. Step 2: Convert to fraction form
   620,884/1,363,696 = 1,363,696/x
3. Step 3: Cross multiply
   620,884x = 1,363,696 × 1,363,696
4. Step 4: Simplify right side
   620,884x = 1,859,666,780,416
5. Step 5: Solve for x
   x = 1,859,666,780,416/620,884
6. Step 6: Final answer
   x = 2,995,191.99