Finding the Third Proportional to 1,312,389 and 1,876,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,389 : 1,876,716 = 1,876,716 : x
2. Step 2: Convert to fraction form
   1,312,389/1,876,716 = 1,876,716/x
3. Step 3: Cross multiply
   1,312,389x = 1,876,716 × 1,876,716
4. Step 4: Simplify right side
   1,312,389x = 3,522,062,944,656
5. Step 5: Solve for x
   x = 3,522,062,944,656/1,312,389
6. Step 6: Final answer
   x = 2,683,703.49