Finding the Third Proportional to 1,199,868 and 1,687,535

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199,868 : 1,687,535 = 1,687,535 : x
2. Step 2: Convert to fraction form
   1,199,868/1,687,535 = 1,687,535/x
3. Step 3: Cross multiply
   1,199,868x = 1,687,535 × 1,687,535
4. Step 4: Simplify right side
   1,199,868x = 2,847,774,376,225
5. Step 5: Solve for x
   x = 2,847,774,376,225/1,199,868
6. Step 6: Final answer
   x = 2,373,406.39