Finding the Third Proportional to 1,312,470 and 1,876,809

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,470 : 1,876,809 = 1,876,809 : x
2. Step 2: Convert to fraction form
   1,312,470/1,876,809 = 1,876,809/x
3. Step 3: Cross multiply
   1,312,470x = 1,876,809 × 1,876,809
4. Step 4: Simplify right side
   1,312,470x = 3,522,412,022,481
5. Step 5: Solve for x
   x = 3,522,412,022,481/1,312,470
6. Step 6: Final answer
   x = 2,683,803.84