Finding the Third Proportional to 820,713 and 1,260,716

Step by Step Solution

1. Step 1: Write the proportion equation
   820,713 : 1,260,716 = 1,260,716 : x
2. Step 2: Convert to fraction form
   820,713/1,260,716 = 1,260,716/x
3. Step 3: Cross multiply
   820,713x = 1,260,716 × 1,260,716
4. Step 4: Simplify right side
   820,713x = 1,589,404,832,656
5. Step 5: Solve for x
   x = 1,589,404,832,656/820,713
6. Step 6: Final answer
   x = 1,936,614.67