Finding the Third Proportional to 869,860 and 1,874,435

Step by Step Solution

1. Step 1: Write the proportion equation
   869,860 : 1,874,435 = 1,874,435 : x
2. Step 2: Convert to fraction form
   869,860/1,874,435 = 1,874,435/x
3. Step 3: Cross multiply
   869,860x = 1,874,435 × 1,874,435
4. Step 4: Simplify right side
   869,860x = 3,513,506,569,225
5. Step 5: Solve for x
   x = 3,513,506,569,225/869,860
6. Step 6: Final answer
   x = 4,039,163.28