Finding the Third Proportional to 861,698 and 1,315,875

Step by Step Solution

1. Step 1: Write the proportion equation
   861,698 : 1,315,875 = 1,315,875 : x
2. Step 2: Convert to fraction form
   861,698/1,315,875 = 1,315,875/x
3. Step 3: Cross multiply
   861,698x = 1,315,875 × 1,315,875
4. Step 4: Simplify right side
   861,698x = 1,731,527,015,625
5. Step 5: Solve for x
   x = 1,731,527,015,625/861,698
6. Step 6: Final answer
   x = 2,009,436.04